115056566111 has 4 divisors (see below), whose sum is σ = 115076924952. Its totient is φ = 115036207272.

The previous prime is 115056566087. The next prime is 115056566129. The reversal of 115056566111 is 111665650511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111665650511 = 71 ⋅1572755641.

It is a cyclic number.

It is not a de Polignac number, because 115056566111 - 2⁶ = 115056566047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115056566161) 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, 10170941 + ... + 10182246.

It is an arithmetic number, because the mean of its divisors is an integer number (28769231238).

Almost surely, 2^115056566111 is an apocalyptic number.

115056566111 is a deficient number, since it is larger than the sum of its proper divisors (20358841).

115056566111 is an equidigital number, since it uses as much as digits as its factorization.

115056566111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20358840.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 115056566111 in words is "one hundred fifteen billion, fifty-six million, five hundred sixty-six thousand, one hundred eleven".