115891273919 has 2 divisors, whose sum is σ = 115891273920. Its totient is φ = 115891273918.

The previous prime is 115891273907. The next prime is 115891273931. The reversal of 115891273919 is 919372198511.

It is a balanced prime because it is at equal distance from previous prime (115891273907) and next prime (115891273931).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115891273919 is a prime.

It is a super-2 number, since 2×115891273919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115891273219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57945636959 + 57945636960.

It is an arithmetic number, because the mean of its divisors is an integer number (57945636960).

Almost surely, 2^115891273919 is an apocalyptic number.

115891273919 is a deficient number, since it is larger than the sum of its proper divisors (1).

115891273919 is an equidigital number, since it uses as much as digits as its factorization.

115891273919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 56.

The spelling of 115891273919 in words is "one hundred fifteen billion, eight hundred ninety-one million, two hundred seventy-three thousand, nine hundred nineteen".