75531116636 has 48 divisors (see below), whose sum is σ = 135359078400. Its totient is φ = 36868995072.

The previous prime is 75531116621. The next prime is 75531116659. The reversal of 75531116636 is 63661113557.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28087580 + ... + 28090268.

It is an arithmetic number, because the mean of its divisors is an integer number (2819980800).

Almost surely, 2^75531116636 is an apocalyptic number.

It is an amenable number.

75531116636 is a deficient number, since it is larger than the sum of its proper divisors (59827961764).

75531116636 is a wasteful number, since it uses less digits than its factorization.

75531116636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738 (or 3736 counting only the distinct ones).

The product of its digits is 340200, while the sum is 44.

The spelling of 75531116636 in words is "seventy-five billion, five hundred thirty-one million, one hundred sixteen thousand, six hundred thirty-six".