118116555 has 32 divisors (see below), whose sum is σ = 192767040. Its totient is φ = 61747200.

The previous prime is 118116547. The next prime is 118116563. The reversal of 118116555 is 555611811.

It is an interprime number because it is at equal distance from previous prime (118116547) and next prime (118116563).

It is not a de Polignac number, because 118116555 - 2³ = 118116547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294355 + ... + 294755.

It is an arithmetic number, because the mean of its divisors is an integer number (6023970).

Almost surely, 2^118116555 is an apocalyptic number.

118116555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118116555 is a deficient number, since it is larger than the sum of its proper divisors (74650485).

118116555 is a wasteful number, since it uses less digits than its factorization.

118116555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751.

The product of its digits is 6000, while the sum is 33.

The square root of 118116555 is about 10868.1440457881. The cubic root of 118116555 is about 490.6482534856.

The spelling of 118116555 in words is "one hundred eighteen million, one hundred sixteen thousand, five hundred fifty-five".