115492691691 has 48 divisors (see below), whose sum is σ = 185203855200. Its totient is φ = 68910414336.

The previous prime is 115492691689. The next prime is 115492691729. The reversal of 115492691691 is 196196294511.

115492691691 is a `hidden beast` number, since 1 + 1 + 5 + 492 + 6 + 91 + 69 + 1 = 666.

It is not a de Polignac number, because 115492691691 - 2¹ = 115492691689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115492691641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389325 + ... + 618513.

It is an arithmetic number, because the mean of its divisors is an integer number (3858413650).

Almost surely, 2^115492691691 is an apocalyptic number.

115492691691 is a deficient number, since it is larger than the sum of its proper divisors (69711163509).

115492691691 is a wasteful number, since it uses less digits than its factorization.

115492691691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229340 (or 229337 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The spelling of 115492691691 in words is "one hundred fifteen billion, four hundred ninety-two million, six hundred ninety-one thousand, six hundred ninety-one".