115966790137 has 4 divisors (see below), whose sum is σ = 126509225616. Its totient is φ = 105424354660.

The previous prime is 115966790101. The next prime is 115966790153. The reversal of 115966790137 is 731097669511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 731097669511 = 11 ⋅66463424501.

It is a cyclic number.

It is not a de Polignac number, because 115966790137 - 2¹¹ = 115966788089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115966790167) 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, 5271217723 + ... + 5271217744.

It is an arithmetic number, because the mean of its divisors is an integer number (31627306404).

Almost surely, 2^115966790137 is an apocalyptic number.

It is an amenable number.

115966790137 is a deficient number, since it is larger than the sum of its proper divisors (10542435479).

115966790137 is a wasteful number, since it uses less digits than its factorization.

115966790137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10542435478.

The product of its (nonzero) digits is 2143260, while the sum is 55.

The spelling of 115966790137 in words is "one hundred fifteen billion, nine hundred sixty-six million, seven hundred ninety thousand, one hundred thirty-seven".