113155717 has 4 divisors (see below), whose sum is σ = 113213836. Its totient is φ = 113097600.

The previous prime is 113155711. The next prime is 113155727. The reversal of 113155717 is 717551311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85266756 + 27888961 = 9234^2 + 5281^2 .

It is a cyclic number.

It is not a de Polignac number, because 113155717 - 2¹⁹ = 112631429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113155711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26034 + ... + 30067.

It is an arithmetic number, because the mean of its divisors is an integer number (28303459).

Almost surely, 2^113155717 is an apocalyptic number.

It is an amenable number.

113155717 is a deficient number, since it is larger than the sum of its proper divisors (58119).

113155717 is an equidigital number, since it uses as much as digits as its factorization.

113155717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58118.

The product of its digits is 3675, while the sum is 31.

The square root of 113155717 is about 10637.4676027709. The cubic root of 113155717 is about 483.6807838080.

The spelling of 113155717 in words is "one hundred thirteen million, one hundred fifty-five thousand, seven hundred seventeen".