36131557122 has 12 divisors (see below), whose sum is σ = 78285040470. Its totient is φ = 12043852368.

The previous prime is 36131557097. The next prime is 36131557123. The reversal of 36131557122 is 22175513163.

36131557122 is a `hidden beast` number, since 3 + 61 + 3 + 1 + 5 + 571 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33580196001 + 2551361121 = 183249^2 + 50511^2 .

It is not an unprimeable number, because it can be changed into a prime (36131557123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1003654347 + ... + 1003654382.

Almost surely, 2^36131557122 is an apocalyptic number.

36131557122 is an abundant number, since it is smaller than the sum of its proper divisors (42153483348).

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

36131557122 is a wasteful number, since it uses less digits than its factorization.

36131557122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007308737 (or 2007308734 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The spelling of 36131557122 in words is "thirty-six billion, one hundred thirty-one million, five hundred fifty-seven thousand, one hundred twenty-two".