252537805515 has 64 divisors (see below), whose sum is σ = 423962833536. Its totient is φ = 128223793152.

The previous prime is 252537805447. The next prime is 252537805543. The reversal of 252537805515 is 515508735252.

It is not a de Polignac number, because 252537805515 - 2¹² = 252537801419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10960287 + ... + 10983303.

It is an arithmetic number, because the mean of its divisors is an integer number (6624419274).

Almost surely, 2^252537805515 is an apocalyptic number.

252537805515 is a deficient number, since it is larger than the sum of its proper divisors (171425028021).

252537805515 is a wasteful number, since it uses less digits than its factorization.

252537805515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23488.

The product of its (nonzero) digits is 2100000, while the sum is 48.

The spelling of 252537805515 in words is "two hundred fifty-two billion, five hundred thirty-seven million, eight hundred five thousand, five hundred fifteen".