252050321551 has 8 divisors (see below), whose sum is σ = 305002069920. Its totient is φ = 203334713088.

The previous prime is 252050321519. The next prime is 252050321587. The reversal of 252050321551 is 155123050252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252050321551 - 2⁵ = 252050321519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252050321051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059034846 + ... + 1059035083.

It is an arithmetic number, because the mean of its divisors is an integer number (38125258740).

Almost surely, 2^252050321551 is an apocalyptic number.

252050321551 is a deficient number, since it is larger than the sum of its proper divisors (52951748369).

252050321551 is a wasteful number, since it uses less digits than its factorization.

252050321551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118069953.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 252050321551 in words is "two hundred fifty-two billion, fifty million, three hundred twenty-one thousand, five hundred fifty-one".