232205155540525 has 6 divisors (see below), whose sum is σ = 287934392870282. Its totient is φ = 185764124432400.

The previous prime is 232205155540511. The next prime is 232205155540529. The reversal of 232205155540525 is 525045551502232.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 12074610321316 + 220130545219209 = 3474854^2 + 14836797^2 .

It is not a de Polignac number, because 232205155540525 - 2³³ = 232196565605933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232205155540529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4644103110786 + ... + 4644103110835.

Almost surely, 2^{232205155540525} is an apocalyptic number.

232205155540525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232205155540525 is a deficient number, since it is larger than the sum of its proper divisors (55729237329757).

232205155540525 is an equidigital number, since it uses as much as digits as its factorization.

232205155540525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9288206221631 (or 9288206221626 counting only the distinct ones).

The product of its (nonzero) digits is 3000000, while the sum is 46.

The spelling of 232205155540525 in words is "two hundred thirty-two trillion, two hundred five billion, one hundred fifty-five million, five hundred forty thousand, five hundred twenty-five".