51224887161372 has 12 divisors (see below), whose sum is σ = 119524736709896. Its totient is φ = 17074962387120.

The previous prime is 51224887161361. The next prime is 51224887161389. The reversal of 51224887161372 is 27316178842215.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 2134370298379 + ... + 2134370298402.

Almost surely, 2^{51224887161372} is an apocalyptic number.

It is an amenable number.

51224887161372 is an abundant number, since it is smaller than the sum of its proper divisors (68299849548524).

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

51224887161372 is a wasteful number, since it uses less digits than its factorization.

51224887161372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268740596788 (or 4268740596786 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 57.

The spelling of 51224887161372 in words is "fifty-one trillion, two hundred twenty-four billion, eight hundred eighty-seven million, one hundred sixty-one thousand, three hundred seventy-two".