51125604663356 has 12 divisors (see below), whose sum is σ = 91157917749192. Its totient is φ = 25080485306448.

The previous prime is 51125604663307. The next prime is 51125604663377. The reversal of 51125604663356 is 65336640652115.

51125604663356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51125604663356² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 51125604663298 and 51125604663307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120579256070 + ... + 120579256493.

It is an arithmetic number, because the mean of its divisors is an integer number (7596493145766).

Almost surely, 2^{51125604663356} is an apocalyptic number.

It is an amenable number.

51125604663356 is a deficient number, since it is larger than the sum of its proper divisors (40032313085836).

51125604663356 is a wasteful number, since it uses less digits than its factorization.

51125604663356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241158512620 (or 241158512618 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 53.

The spelling of 51125604663356 in words is "fifty-one trillion, one hundred twenty-five billion, six hundred four million, six hundred sixty-three thousand, three hundred fifty-six".