252551113550 has 24 divisors (see below), whose sum is σ = 478608190776. Its totient is φ = 99114398240.

The previous prime is 252551113547. The next prime is 252551113553. The reversal of 252551113550 is 55311155252.

It is an interprime number because it is at equal distance from previous prime (252551113547) and next prime (252551113553).

It is a self number, because there is not a number n which added to its sum of digits gives 252551113550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252551113553) 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, 47648504 + ... + 47653803.

It is an arithmetic number, because the mean of its divisors is an integer number (19942007949).

Almost surely, 2^252551113550 is an apocalyptic number.

252551113550 is a deficient number, since it is larger than the sum of its proper divisors (226057077226).

252551113550 is a wasteful number, since it uses less digits than its factorization.

252551113550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95302372 (or 95302367 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 252551113550 in words is "two hundred fifty-two billion, five hundred fifty-one million, one hundred thirteen thousand, five hundred fifty".