252105636544 has 14 divisors (see below), whose sum is σ = 500272122644. Its totient is φ = 126052818240.

The previous prime is 252105636529. The next prime is 252105636553. The reversal of 252105636544 is 445636501252.

252105636544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252105636544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969575222 + ... + 1969575349.

It is an arithmetic number, because the mean of its divisors is an integer number (35733723046).

Almost surely, 2^252105636544 is an apocalyptic number.

It is an amenable number.

252105636544 is a deficient number, since it is larger than the sum of its proper divisors (248166486100).

252105636544 is an equidigital number, since it uses as much as digits as its factorization.

252105636544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939150583 (or 3939150573 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 252105636544 in words is "two hundred fifty-two billion, one hundred five million, six hundred thirty-six thousand, five hundred forty-four".