75513668144 has 40 divisors (see below), whose sum is σ = 150108704928. Its totient is φ = 36778795520.

The previous prime is 75513668117. The next prime is 75513668159. The reversal of 75513668144 is 44186631557.

It is a junction number, because it is equal to n+sod(n) for n = 75513668092 and 75513668101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335474 + ... + 513390.

Almost surely, 2^75513668144 is an apocalyptic number.

It is an amenable number.

75513668144 is a deficient number, since it is larger than the sum of its proper divisors (74595036784).

75513668144 is a wasteful number, since it uses less digits than its factorization.

75513668144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178613 (or 178607 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 50.

The spelling of 75513668144 in words is "seventy-five billion, five hundred thirteen million, six hundred sixty-eight thousand, one hundred forty-four".