51236511633112 has 24 divisors (see below), whose sum is σ = 104026793222340. Its totient is φ = 23647620753120.

The previous prime is 51236511633089. The next prime is 51236511633143. The reversal of 51236511633112 is 21133611563215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18948412714 + ... + 18948415417.

Almost surely, 2^{51236511633112} is an apocalyptic number.

51236511633112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51236511633112 is an abundant number, since it is smaller than the sum of its proper divisors (52790281589228).

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

51236511633112 is a wasteful number, since it uses less digits than its factorization.

51236511633112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37896828163 (or 37896828146 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The spelling of 51236511633112 in words is "fifty-one trillion, two hundred thirty-six billion, five hundred eleven million, six hundred thirty-three thousand, one hundred twelve".