51161147125584 has 40 divisors (see below), whose sum is σ = 132166706435232. Its totient is φ = 17053662844800.

The previous prime is 51161147125567. The next prime is 51161147125609. The reversal of 51161147125584 is 48552174116115.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15921159 + ... + 18862809.

Almost surely, 2^{51161147125584} is an apocalyptic number.

It is an amenable number.

51161147125584 is an abundant number, since it is smaller than the sum of its proper divisors (81005559309648).

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

51161147125584 is a wasteful number, since it uses less digits than its factorization.

51161147125584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303995 (or 3303989 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 51.

The spelling of 51161147125584 in words is "fifty-one trillion, one hundred sixty-one billion, one hundred forty-seven million, one hundred twenty-five thousand, five hundred eighty-four".