116178155 has 4 divisors (see below), whose sum is σ = 139413792. Its totient is φ = 92942520.

The previous prime is 116178149. The next prime is 116178163. The reversal of 116178155 is 551871611.

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: 551871611 = 6779 ⋅81409.

It is not a de Polignac number, because 116178155 - 2¹² = 116174059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11617811 + ... + 11617820.

It is an arithmetic number, because the mean of its divisors is an integer number (34853448).

Almost surely, 2^116178155 is an apocalyptic number.

116178155 is a deficient number, since it is larger than the sum of its proper divisors (23235637).

116178155 is an equidigital number, since it uses as much as digits as its factorization.

116178155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23235636.

The product of its digits is 8400, while the sum is 35.

The square root of 116178155 is about 10778.5970793977. The cubic root of 116178155 is about 487.9494413155.

The spelling of 116178155 in words is "one hundred sixteen million, one hundred seventy-eight thousand, one hundred fifty-five".