51473852151252 has 48 divisors (see below), whose sum is σ = 127314065692800. Its totient is φ = 16130453512192.

The previous prime is 51473852151229. The next prime is 51473852151283. The reversal of 51473852151252 is 25215125837415.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 51473852151195 and 51473852151204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142052877 + ... + 142414772.

It is an arithmetic number, because the mean of its divisors is an integer number (2652376368600).

Almost surely, 2^{51473852151252} is an apocalyptic number.

It is an amenable number.

51473852151252 is an abundant number, since it is smaller than the sum of its proper divisors (75840213541548).

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

51473852151252 is a wasteful number, since it uses less digits than its factorization.

51473852151252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284468560 (or 284468558 counting only the distinct ones).

The product of its digits is 3360000, while the sum is 51.

Adding to 51473852151252 its reverse (25215125837415), we get a palindrome (76688977988667).

The spelling of 51473852151252 in words is "fifty-one trillion, four hundred seventy-three billion, eight hundred fifty-two million, one hundred fifty-one thousand, two hundred fifty-two".