36018631507 has 2 divisors, whose sum is σ = 36018631508. Its totient is φ = 36018631506.

The previous prime is 36018631501. The next prime is 36018631543. The reversal of 36018631507 is 70513681063.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36018631507 - 2²⁷ = 35884413779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36018631507.

It is not a weakly prime, because it can be changed into another prime (36018631501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18009315753 + 18009315754.

It is an arithmetic number, because the mean of its divisors is an integer number (18009315754).

Almost surely, 2^36018631507 is an apocalyptic number.

36018631507 is a deficient number, since it is larger than the sum of its proper divisors (1).

36018631507 is an equidigital number, since it uses as much as digits as its factorization.

36018631507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 36018631507 in words is "thirty-six billion, eighteen million, six hundred thirty-one thousand, five hundred seven".