232315522551 has 48 divisors (see below), whose sum is σ = 397811092224. Its totient is φ = 132717610944.

The previous prime is 232315522519. The next prime is 232315522561. The reversal of 232315522551 is 155225513232.

232315522551 is a `hidden beast` number, since 2 + 3 + 2 + 31 + 55 + 22 + 551 = 666.

It is not a de Polignac number, because 232315522551 - 2⁵ = 232315522519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232315522561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7566036 + ... + 7596678.

It is an arithmetic number, because the mean of its divisors is an integer number (8287731088).

Almost surely, 2^232315522551 is an apocalyptic number.

232315522551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

232315522551 is a deficient number, since it is larger than the sum of its proper divisors (165495569673).

232315522551 is an equidigital number, since it uses as much as digits as its factorization.

232315522551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35122 (or 35110 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 232315522551 in words is "two hundred thirty-two billion, three hundred fifteen million, five hundred twenty-two thousand, five hundred fifty-one".