36663520131 has 40 divisors (see below), whose sum is σ = 62608671840. Its totient is φ = 20945371392.

The previous prime is 36663520099. The next prime is 36663520133. The reversal of 36663520131 is 13102536663.

It is not a de Polignac number, because 36663520131 - 2⁵ = 36663520099 is a prime.

It is a super-2 number, since 2×36663520131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36663520133) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4462155 + ... + 4470363.

It is an arithmetic number, because the mean of its divisors is an integer number (1565216796).

Almost surely, 2^36663520131 is an apocalyptic number.

36663520131 is a deficient number, since it is larger than the sum of its proper divisors (25945151709).

36663520131 is an equidigital number, since it uses as much as digits as its factorization.

36663520131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16105 (or 16096 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 36663520131 in words is "thirty-six billion, six hundred sixty-three million, five hundred twenty thousand, one hundred thirty-one".