5131116636 has 48 divisors (see below), whose sum is σ = 12330823680. Its totient is φ = 1659458880.

The previous prime is 5131116631. The next prime is 5131116671. The reversal of 5131116636 is 6366111315.

It is a junction number, because it is equal to n+sod(n) for n = 5131116597 and 5131116606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131116631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143301 + ... + 175491.

It is an arithmetic number, because the mean of its divisors is an integer number (256892160).

Almost surely, 2^5131116636 is an apocalyptic number.

It is an amenable number.

5131116636 is an abundant number, since it is smaller than the sum of its proper divisors (7199707044).

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

5131116636 is a wasteful number, since it uses less digits than its factorization.

5131116636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32594 (or 32592 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 5131116636 is about 71631.8130162849. The cubic root of 5131116636 is about 1724.7942496041.

The spelling of 5131116636 in words is "five billion, one hundred thirty-one million, one hundred sixteen thousand, six hundred thirty-six".