125525013315 has 32 divisors (see below), whose sum is σ = 223747513920. Its totient is φ = 59665998336.

The previous prime is 125525013277. The next prime is 125525013319. The reversal of 125525013315 is 513310525521.

It is a happy number.

It is not a de Polignac number, because 125525013315 - 2²³ = 125516624707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125525013319) 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 31 ways as a sum of consecutive naturals, for example, 11092932 + ... + 11104241.

It is an arithmetic number, because the mean of its divisors is an integer number (6992109810).

Almost surely, 2^125525013315 is an apocalyptic number.

125525013315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125525013315 is a deficient number, since it is larger than the sum of its proper divisors (98222500605).

125525013315 is a wasteful number, since it uses less digits than its factorization.

125525013315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22197223.

The product of its (nonzero) digits is 22500, while the sum is 33.

Adding to 125525013315 its reverse (513310525521), we get a palindrome (638835538836).

The spelling of 125525013315 in words is "one hundred twenty-five billion, five hundred twenty-five million, thirteen thousand, three hundred fifteen".