115106106105091 has 4 divisors (see below), whose sum is σ = 120110719414032. Its totient is φ = 110101492796152.

The previous prime is 115106106105017. The next prime is 115106106105119. The reversal of 115106106105091 is 190501601601511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115106106105091 - 2³³ = 115097516170499 is a prime.

It is a super-2 number, since 2×115106106105091² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115106106105091.

It is not an unprimeable number, because it can be changed into a prime (115106106105191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502306654436 + ... + 2502306654481.

It is an arithmetic number, because the mean of its divisors is an integer number (30027679853508).

Almost surely, 2^{115106106105091} is an apocalyptic number.

115106106105091 is a deficient number, since it is larger than the sum of its proper divisors (5004613308941).

115106106105091 is an equidigital number, since it uses as much as digits as its factorization.

115106106105091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004613308940.

The product of its (nonzero) digits is 8100, while the sum is 37.

The spelling of 115106106105091 in words is "one hundred fifteen trillion, one hundred six billion, one hundred six million, one hundred five thousand, ninety-one".