118159155 has 20 divisors (see below), whose sum is σ = 211811952. Its totient is φ = 63018000.

The previous prime is 118159133. The next prime is 118159177. The reversal of 118159155 is 551951811.

118159155 is a `hidden beast` number, since 1 + 18 + 1 + 591 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (118159133) and next prime (118159177).

It is not a de Polignac number, because 118159155 - 2⁸ = 118158899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 145471 + ... + 146280.

Almost surely, 2^118159155 is an apocalyptic number.

118159155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118159155 is a deficient number, since it is larger than the sum of its proper divisors (93652797).

118159155 is an equidigital number, since it uses as much as digits as its factorization.

118159155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291768 (or 291759 counting only the distinct ones).

The product of its digits is 9000, while the sum is 36.

The square root of 118159155 is about 10870.1037253561. The cubic root of 118159155 is about 490.7072322441.

The spelling of 118159155 in words is "one hundred eighteen million, one hundred fifty-nine thousand, one hundred fifty-five".