51631942124 has 24 divisors (see below), whose sum is σ = 103280889600. Its totient is φ = 22124331216.

The previous prime is 51631942121. The next prime is 51631942129. The reversal of 51631942124 is 42124913615.

It is not an unprimeable number, because it can be changed into a prime (51631942121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24839 + ... + 322305.

It is an arithmetic number, because the mean of its divisors is an integer number (4303370400).

Almost surely, 2^51631942124 is an apocalyptic number.

It is an amenable number.

51631942124 is an abundant number, since it is smaller than the sum of its proper divisors (51648947476).

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

51631942124 is a wasteful number, since it uses less digits than its factorization.

51631942124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303677 (or 303675 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The spelling of 51631942124 in words is "fifty-one billion, six hundred thirty-one million, nine hundred forty-two thousand, one hundred twenty-four".