51246360612 has 48 divisors (see below), whose sum is σ = 134230662720. Its totient is φ = 16906012416.

The previous prime is 51246360569. The next prime is 51246360631. The reversal of 51246360612 is 21606364215.

51246360612 is a `hidden beast` number, since 5 + 1 + 2 + 4 + 6 + 36 + 0 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2435418 + ... + 2456369.

It is an arithmetic number, because the mean of its divisors is an integer number (2796472140).

Almost surely, 2^51246360612 is an apocalyptic number.

It is an amenable number.

51246360612 is an abundant number, since it is smaller than the sum of its proper divisors (82984302108).

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

51246360612 is a wasteful number, since it uses less digits than its factorization.

51246360612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4891897 (or 4891889 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 51246360612 in words is "fifty-one billion, two hundred forty-six million, three hundred sixty thousand, six hundred twelve".