51005106110050 has 48 divisors (see below), whose sum is σ = 103084003987200. Its totient is φ = 18704758766400.

The previous prime is 51005106110033. The next prime is 51005106110053. The reversal of 51005106110050 is 5001160150015.

It is a super-2 number, since 2×51005106110050² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 51005106109997 and 51005106110024.

It is not an unprimeable number, because it can be changed into a prime (51005106110053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 865931605 + ... + 865990504.

It is an arithmetic number, because the mean of its divisors is an integer number (2147583416400).

Almost surely, 2^{51005106110050} is an apocalyptic number.

51005106110050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51005106110050 is an abundant number, since it is smaller than the sum of its proper divisors (52078897877150).

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

51005106110050 is a wasteful number, since it uses less digits than its factorization.

51005106110050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731922171 (or 1731922166 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 51005106110050 its reverse (5001160150015), we get a palindrome (56006266260065).

The spelling of 51005106110050 in words is "fifty-one trillion, five billion, one hundred six million, one hundred ten thousand, fifty".