115127791911 has 192 divisors, whose sum is σ = 206815334400. Its totient is φ = 62673004800.

The previous prime is 115127791897. The next prime is 115127791927. The reversal of 115127791911 is 119197721511.

It is not a de Polignac number, because 115127791911 - 2⁵ = 115127791879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115127791981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 189666570 + ... + 189667176.

It is an arithmetic number, because the mean of its divisors is an integer number (1077163200).

Almost surely, 2^115127791911 is an apocalyptic number.

115127791911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115127791911 is a deficient number, since it is larger than the sum of its proper divisors (91687542489).

115127791911 is a wasteful number, since it uses less digits than its factorization.

115127791911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 730 counting only the distinct ones).

The product of its digits is 39690, while the sum is 45.

The spelling of 115127791911 in words is "one hundred fifteen billion, one hundred twenty-seven million, seven hundred ninety-one thousand, nine hundred eleven".