116111959 has 4 divisors (see below), whose sum is σ = 118944000. Its totient is φ = 113279920.

The previous prime is 116111939. The next prime is 116111987. The reversal of 116111959 is 959111611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 959111611 = 59 ⋅16256129.

It is a cyclic number.

It is not a de Polignac number, because 116111959 - 2¹⁵ = 116079191 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 (116111929) 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, 1415959 + ... + 1416040.

It is an arithmetic number, because the mean of its divisors is an integer number (29736000).

Almost surely, 2^116111959 is an apocalyptic number.

116111959 is a deficient number, since it is larger than the sum of its proper divisors (2832041).

116111959 is an equidigital number, since it uses as much as digits as its factorization.

116111959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832040.

The product of its digits is 2430, while the sum is 34.

The square root of 116111959 is about 10775.5259268400. The cubic root of 116111959 is about 487.8567490824.

The spelling of 116111959 in words is "one hundred sixteen million, one hundred eleven thousand, nine hundred fifty-nine".