51169625515144 has 64 divisors (see below), whose sum is σ = 96231755347200. Its totient is φ = 25507976592384.

The previous prime is 51169625515117. The next prime is 51169625515189. The reversal of 51169625515144 is 44151552696115.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15306497137 + ... + 15306500479.

It is an arithmetic number, because the mean of its divisors is an integer number (1503621177300).

Almost surely, 2^{51169625515144} is an apocalyptic number.

It is an amenable number.

51169625515144 is a deficient number, since it is larger than the sum of its proper divisors (45062129832056).

51169625515144 is a wasteful number, since it uses less digits than its factorization.

51169625515144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502 (or 7498 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 55.

The spelling of 51169625515144 in words is "fifty-one trillion, one hundred sixty-nine billion, six hundred twenty-five million, five hundred fifteen thousand, one hundred forty-four".