36251878122 has 24 divisors (see below), whose sum is σ = 81960768864. Its totient is φ = 11558569704.

The previous prime is 36251878073. The next prime is 36251878253. The reversal of 36251878122 is 22187815263.

36251878122 is a `hidden beast` number, since 3 + 6 + 2 + 518 + 7 + 8 + 122 = 666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 43782048 + ... + 43782875.

It is an arithmetic number, because the mean of its divisors is an integer number (3415032036).

Almost surely, 2^36251878122 is an apocalyptic number.

36251878122 is an abundant number, since it is smaller than the sum of its proper divisors (45708890742).

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

36251878122 is a wasteful number, since it uses less digits than its factorization.

36251878122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87564954 (or 87564951 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 36251878122 in words is "thirty-six billion, two hundred fifty-one million, eight hundred seventy-eight thousand, one hundred twenty-two".