51105604325304 has 64 divisors (see below), whose sum is σ = 128138063587200. Its totient is φ = 16985332232064.

The previous prime is 51105604325263. The next prime is 51105604325339. The reversal of 51105604325304 is 40352340650115.

It is a happy number.

It is a super-2 number, since 2×51105604325304² (a number of 28 digits) contains 22 as substring.

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, 199052487 + ... + 199309065.

It is an arithmetic number, because the mean of its divisors is an integer number (2002157243550).

Almost surely, 2^{51105604325304} is an apocalyptic number.

It is an amenable number.

51105604325304 is an abundant number, since it is smaller than the sum of its proper divisors (77032459261896).

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

51105604325304 is a wasteful number, since it uses less digits than its factorization.

51105604325304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280852 (or 280848 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 51105604325304 its reverse (40352340650115), we get a palindrome (91457944975419).

The spelling of 51105604325304 in words is "fifty-one trillion, one hundred five billion, six hundred four million, three hundred twenty-five thousand, three hundred four".