113215855 has 8 divisors (see below), whose sum is σ = 140544000. Its totient is φ = 87449376.

The previous prime is 113215847. The next prime is 113215873. The reversal of 113215855 is 558512311.

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 113215855 - 2³ = 113215847 is a prime.

It is a congruent number.

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, 390255 + ... + 390544.

It is an arithmetic number, because the mean of its divisors is an integer number (17568000).

Almost surely, 2^113215855 is an apocalyptic number.

113215855 is a deficient number, since it is larger than the sum of its proper divisors (27328145).

113215855 is an equidigital number, since it uses as much as digits as its factorization.

113215855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780833.

The product of its digits is 6000, while the sum is 31.

The square root of 113215855 is about 10640.2939339099. The cubic root of 113215855 is about 483.7664546702.

The spelling of 113215855 in words is "one hundred thirteen million, two hundred fifteen thousand, eight hundred fifty-five".