252081123804 has 18 divisors (see below), whose sum is σ = 637205063040. Its totient is φ = 84027041256.

The previous prime is 252081123799. The next prime is 252081123823. The reversal of 252081123804 is 408321180252.

It is a happy number.

252081123804 is a `hidden beast` number, since 2 + 520 + 8 + 1 + 123 + 8 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7002253439 = 252081123804 / (2 + 5 + 2 + 0 + 8 + 1 + 1 + 2 + 3 + 8 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3501126684 + ... + 3501126755.

It is an arithmetic number, because the mean of its divisors is an integer number (35400281280).

Almost surely, 2^252081123804 is an apocalyptic number.

It is an amenable number.

252081123804 is an abundant number, since it is smaller than the sum of its proper divisors (385123939236).

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

252081123804 is a wasteful number, since it uses less digits than its factorization.

252081123804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7002253449 (or 7002253444 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 252081123804 in words is "two hundred fifty-two billion, eighty-one million, one hundred twenty-three thousand, eight hundred four".