51104510431 has 16 divisors (see below), whose sum is σ = 55724251968. Its totient is φ = 46585267200.

The previous prime is 51104510411. The next prime is 51104510453. The reversal of 51104510431 is 13401540115.

It is a cyclic number.

It is not a de Polignac number, because 51104510431 - 2³³ = 42514575839 is a prime.

It is a super-2 number, since 2×51104510431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51104510396 and 51104510405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51104510411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537366 + ... + 625276.

It is an arithmetic number, because the mean of its divisors is an integer number (3482765748).

Almost surely, 2^51104510431 is an apocalyptic number.

51104510431 is a deficient number, since it is larger than the sum of its proper divisors (4619741537).

51104510431 is a wasteful number, since it uses less digits than its factorization.

51104510431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88482.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 51104510431 in words is "fifty-one billion, one hundred four million, five hundred ten thousand, four hundred thirty-one".