36124991957 has 2 divisors, whose sum is σ = 36124991958. Its totient is φ = 36124991956.

The previous prime is 36124991923. The next prime is 36124992037. The reversal of 36124991957 is 75919942163.

36124991957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19134912241 + 16990079716 = 138329^2 + 130346^2 .

It is a cyclic number.

It is not a de Polignac number, because 36124991957 - 2⁶ = 36124991893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36124999957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18062495978 + 18062495979.

It is an arithmetic number, because the mean of its divisors is an integer number (18062495979).

Almost surely, 2^36124991957 is an apocalyptic number.

It is an amenable number.

36124991957 is a deficient number, since it is larger than the sum of its proper divisors (1).

36124991957 is an equidigital number, since it uses as much as digits as its factorization.

36124991957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 56.

The spelling of 36124991957 in words is "thirty-six billion, one hundred twenty-four million, nine hundred ninety-one thousand, nine hundred fifty-seven".