251236632152 has 32 divisors (see below), whose sum is σ = 514269285120. Its totient is φ = 114114875040.

The previous prime is 251236632151. The next prime is 251236632167.

251236632152 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×251236632152² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251236632151) 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, 923948 + ... + 1164539.

It is an arithmetic number, because the mean of its divisors is an integer number (16070915160).

Almost surely, 2^251236632152 is an apocalyptic number.

251236632152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

251236632152 is an abundant number, since it is smaller than the sum of its proper divisors (263032652968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

251236632152 is a wasteful number, since it uses less digits than its factorization.

251236632152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089871 (or 2089867 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

It can be divided in two parts, 251236 and 632152, that added together give a palindrome (883388).

The spelling of 251236632152 in words is "two hundred fifty-one billion, two hundred thirty-six million, six hundred thirty-two thousand, one hundred fifty-two".