125525504331 has 8 divisors (see below), whose sum is σ = 185963710160. Its totient is φ = 83683669536.

The previous prime is 125525504249. The next prime is 125525504341. The reversal of 125525504331 is 133405525521.

125525504331 is a `hidden beast` number, since 1 + 25 + 52 + 550 + 4 + 3 + 31 = 666.

It is not a de Polignac number, because 125525504331 - 2⁹ = 125525503819 is a prime.

It is a super-2 number, since 2×125525504331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125525504341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2324546350 + ... + 2324546403.

It is an arithmetic number, because the mean of its divisors is an integer number (23245463770).

Almost surely, 2^125525504331 is an apocalyptic number.

125525504331 is a deficient number, since it is larger than the sum of its proper divisors (60438205829).

125525504331 is an equidigital number, since it uses as much as digits as its factorization.

125525504331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649092762 (or 4649092756 counting only the distinct ones).

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

The spelling of 125525504331 in words is "one hundred twenty-five billion, five hundred twenty-five million, five hundred four thousand, three hundred thirty-one".