113887155 has 8 divisors (see below), whose sum is σ = 182219472. Its totient is φ = 60739808.

The previous prime is 113887129. The next prime is 113887171. The reversal of 113887155 is 551788311.

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 113887155 - 2⁷ = 113887027 is a prime.

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, 3796224 + ... + 3796253.

It is an arithmetic number, because the mean of its divisors is an integer number (22777434).

Almost surely, 2^113887155 is an apocalyptic number.

113887155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113887155 is a deficient number, since it is larger than the sum of its proper divisors (68332317).

113887155 is an equidigital number, since it uses as much as digits as its factorization.

113887155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7592485.

The product of its digits is 33600, while the sum is 39.

The square root of 113887155 is about 10671.7924923604. The cubic root of 113887155 is about 484.7207163818.

The spelling of 113887155 in words is "one hundred thirteen million, eight hundred eighty-seven thousand, one hundred fifty-five".