51112104554052 has 18 divisors (see below), whose sum is σ = 129200042067278. Its totient is φ = 17037368184672.

The previous prime is 51112104554051. The next prime is 51112104554053. The reversal of 51112104554052 is 25045540121115.

51112104554052 is a `hidden beast` number, since 5 + 1 + 1 + 1 + 2 + 104 + 5 + 540 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (51112104554051) and next prime (51112104554053).

It can be written as a sum of positive squares in only one way, i.e., 44539526354436 + 6572578199616 = 6673794^2 + 2563704^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×51112104554052² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1419780682057 = 51112104554052 / (5 + 1 + 1 + 1 + 2 + 1 + 0 + 4 + 5 + 5 + 4 + 0 + 5 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 51112104553998 and 51112104554016.

It is not an unprimeable number, because it can be changed into a prime (51112104554051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 709890340993 + ... + 709890341064.

Almost surely, 2^{51112104554052} is an apocalyptic number.

It is an amenable number.

51112104554052 is an abundant number, since it is smaller than the sum of its proper divisors (78087937513226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51112104554052 is a wasteful number, since it uses less digits than its factorization.

51112104554052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419780682067 (or 1419780682062 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

Adding to 51112104554052 its reverse (25045540121115), we get a palindrome (76157644675167).

The spelling of 51112104554052 in words is "fifty-one trillion, one hundred twelve billion, one hundred four million, five hundred fifty-four thousand, fifty-two".