252351503555 has 4 divisors (see below), whose sum is σ = 302821804272. Its totient is φ = 201881202840.

The previous prime is 252351503533. The next prime is 252351503557. The reversal of 252351503555 is 555305153252.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 252351503555 - 2¹² = 252351499459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252351503557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25235150351 + ... + 25235150360.

It is an arithmetic number, because the mean of its divisors is an integer number (75705451068).

Almost surely, 2^252351503555 is an apocalyptic number.

252351503555 is a deficient number, since it is larger than the sum of its proper divisors (50470300717).

252351503555 is an equidigital number, since it uses as much as digits as its factorization.

252351503555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50470300716.

The product of its (nonzero) digits is 562500, while the sum is 41.

The spelling of 252351503555 in words is "two hundred fifty-two billion, three hundred fifty-one million, five hundred three thousand, five hundred fifty-five".