252651387775 has 12 divisors (see below), whose sum is σ = 313298803000. Its totient is φ = 202113960480.

The previous prime is 252651387773. The next prime is 252651387823. The reversal of 252651387775 is 577783156252.

It is not a de Polignac number, because 252651387775 - 2¹ = 252651387773 is a prime.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252651387773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610456 + ... + 936994.

Almost surely, 2^252651387775 is an apocalyptic number.

252651387775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

252651387775 is a deficient number, since it is larger than the sum of its proper divisors (60647415225).

252651387775 is a wasteful number, since it uses less digits than its factorization.

252651387775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357498 (or 357493 counting only the distinct ones).

The product of its digits is 24696000, while the sum is 58.

The spelling of 252651387775 in words is "two hundred fifty-two billion, six hundred fifty-one million, three hundred eighty-seven thousand, seven hundred seventy-five".