125131222315 has 16 divisors (see below), whose sum is σ = 169456704480. Its totient is φ = 87866437120.

The previous prime is 125131222313. The next prime is 125131222357. The reversal of 125131222315 is 513222131521.

It is not a de Polignac number, because 125131222315 - 2¹ = 125131222313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125131222313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39224494 + ... + 39227683.

It is an arithmetic number, because the mean of its divisors is an integer number (10591044030).

Almost surely, 2^125131222315 is an apocalyptic number.

125131222315 is a deficient number, since it is larger than the sum of its proper divisors (44325482165).

125131222315 is a wasteful number, since it uses less digits than its factorization.

125131222315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78452222.

The product of its digits is 3600, while the sum is 28.

Adding to 125131222315 its reverse (513222131521), we get a palindrome (638353353836).

The spelling of 125131222315 in words is "one hundred twenty-five billion, one hundred thirty-one million, two hundred twenty-two thousand, three hundred fifteen".