115138997319 has 8 divisors (see below), whose sum is σ = 153946293120. Its totient is φ = 76545516536.

The previous prime is 115138997291. The next prime is 115138997357. The reversal of 115138997319 is 913799831511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115138997319 - 2⁵ = 115138997287 is a prime.

It is a super-2 number, since 2×115138997319² (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 (115138997359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53452497 + ... + 53454650.

It is an arithmetic number, because the mean of its divisors is an integer number (19243286640).

Almost surely, 2^115138997319 is an apocalyptic number.

115138997319 is a deficient number, since it is larger than the sum of its proper divisors (38807295801).

115138997319 is a wasteful number, since it uses less digits than its factorization.

115138997319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106907509.

The product of its digits is 1837080, while the sum is 57.

The spelling of 115138997319 in words is "one hundred fifteen billion, one hundred thirty-eight million, nine hundred ninety-seven thousand, three hundred nineteen".