116505155 has 8 divisors (see below), whose sum is σ = 150560592. Its totient is φ = 86034528.

The previous prime is 116505133. The next prime is 116505163. The reversal of 116505155 is 551505611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116505155 - 2¹² = 116501059 is a prime.

It is a super-2 number, since 2×116505155² = 27146902283148050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896129 + ... + 896258.

It is an arithmetic number, because the mean of its divisors is an integer number (18820074).

Almost surely, 2^116505155 is an apocalyptic number.

116505155 is a deficient number, since it is larger than the sum of its proper divisors (34055437).

116505155 is a wasteful number, since it uses less digits than its factorization.

116505155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792405.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 116505155 is about 10793.7553705835. The cubic root of 116505155 is about 488.4068135871.

The spelling of 116505155 in words is "one hundred sixteen million, five hundred five thousand, one hundred fifty-five".