51125583674956 has 12 divisors (see below), whose sum is σ = 102251167349968. Its totient is φ = 21910964432112.

The previous prime is 51125583674929. The next prime is 51125583674969. The reversal of 51125583674956 is 65947638552115.

It is a happy number.

51125583674956 is an admirable number.

It is a super-2 number, since 2×51125583674956² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51125583674891 and 51125583674900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912956851311 + ... + 912956851366.

Almost surely, 2^{51125583674956} is an apocalyptic number.

It is an amenable number.

51125583674956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51125583674956 is a wasteful number, since it uses less digits than its factorization.

51125583674956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825913702688 (or 1825913702686 counting only the distinct ones).

The product of its digits is 272160000, while the sum is 67.

The spelling of 51125583674956 in words is "fifty-one trillion, one hundred twenty-five billion, five hundred eighty-three million, six hundred seventy-four thousand, nine hundred fifty-six".