51407110520 has 32 divisors (see below), whose sum is σ = 115793046720. Its totient is φ = 20540257920.

The previous prime is 51407110511. The next prime is 51407110561. The reversal of 51407110520 is 2501170415.

It is a self number, because there is not a number n which added to its sum of digits gives 51407110520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668927 + ... + 741806.

It is an arithmetic number, because the mean of its divisors is an integer number (3618532710).

Almost surely, 2^51407110520 is an apocalyptic number.

It is an amenable number.

51407110520 is an abundant number, since it is smaller than the sum of its proper divisors (64385936200).

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

51407110520 is a wasteful number, since it uses less digits than its factorization.

51407110520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411655 (or 1411651 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

Adding to 51407110520 its reverse (2501170415), we get a palindrome (53908280935).

The spelling of 51407110520 in words is "fifty-one billion, four hundred seven million, one hundred ten thousand, five hundred twenty".