125251222995 has 20 divisors (see below), whose sum is σ = 224524415280. Its totient is φ = 66800652048.

The previous prime is 125251222991. The next prime is 125251222997. The reversal of 125251222995 is 599222152521.

125251222995 is a `hidden beast` number, since 1 + 2 + 525 + 12 + 2 + 29 + 95 = 666.

It is not a de Polignac number, because 125251222995 - 2² = 125251222991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 125251222995.

It is not an unprimeable number, because it can be changed into a prime (125251222991) 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 19 ways as a sum of consecutive naturals, for example, 154630735 + ... + 154631544.

It is an arithmetic number, because the mean of its divisors is an integer number (11226220764).

Almost surely, 2^125251222995 is an apocalyptic number.

125251222995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125251222995 is a deficient number, since it is larger than the sum of its proper divisors (99273192285).

125251222995 is an equidigital number, since it uses as much as digits as its factorization.

125251222995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309262296 (or 309262287 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The spelling of 125251222995 in words is "one hundred twenty-five billion, two hundred fifty-one million, two hundred twenty-two thousand, nine hundred ninety-five".