115125616319 has 4 divisors (see below), whose sum is σ = 131572132944. Its totient is φ = 98679099696.

The previous prime is 115125616303. The next prime is 115125616351. The reversal of 115125616319 is 913616521511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913616521511 = 23 ⋅39722457457.

It is a cyclic number.

It is not a de Polignac number, because 115125616319 - 2⁴ = 115125616303 is a prime.

It is a super-2 number, since 2×115125616319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115125618319) 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 3 ways as a sum of consecutive naturals, for example, 8223258302 + ... + 8223258315.

It is an arithmetic number, because the mean of its divisors is an integer number (32893033236).

Almost surely, 2^115125616319 is an apocalyptic number.

115125616319 is a deficient number, since it is larger than the sum of its proper divisors (16446516625).

115125616319 is an equidigital number, since it uses as much as digits as its factorization.

115125616319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16446516624.

The product of its digits is 48600, while the sum is 41.

The spelling of 115125616319 in words is "one hundred fifteen billion, one hundred twenty-five million, six hundred sixteen thousand, three hundred nineteen".