51246131195904 has 104 divisors (see below), whose sum is σ = 139817336315712. Its totient is φ = 16684786728960.

The previous prime is 51246131195899. The next prime is 51246131195921. The reversal of 51246131195904 is 40959113164215.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47964882 + ... + 49021649.

Almost surely, 2^{51246131195904} is an apocalyptic number.

It is an amenable number.

51246131195904 is an abundant number, since it is smaller than the sum of its proper divisors (88571205119808).

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

51246131195904 is an equidigital number, since it uses as much as digits as its factorization.

51246131195904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96986601 (or 96986579 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 51246131195904 in words is "fifty-one trillion, two hundred forty-six billion, one hundred thirty-one million, one hundred ninety-five thousand, nine hundred four".