115299172919 has 16 divisors (see below), whose sum is σ = 133233076800. Its totient is φ = 97734819840.

The previous prime is 115299172889. The next prime is 115299172939. The reversal of 115299172919 is 919271992511.

It is not a de Polignac number, because 115299172919 - 2²⁴ = 115282395703 is a prime.

It is a super-2 number, since 2×115299172919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115299172939) 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, 192839 + ... + 517479.

It is an arithmetic number, because the mean of its divisors is an integer number (8327067300).

Almost surely, 2^115299172919 is an apocalyptic number.

115299172919 is a deficient number, since it is larger than the sum of its proper divisors (17933903881).

115299172919 is a wasteful number, since it uses less digits than its factorization.

115299172919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325210.

The product of its digits is 918540, while the sum is 56.

The spelling of 115299172919 in words is "one hundred fifteen billion, two hundred ninety-nine million, one hundred seventy-two thousand, nine hundred nineteen".