111552313 has 4 divisors (see below), whose sum is σ = 111580020. Its totient is φ = 111524608.

The previous prime is 111552293. The next prime is 111552359. The reversal of 111552313 is 313255111.

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 100741369 + 10810944 = 10037^2 + 3288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111552313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111552383) 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, 6520 + ... + 16297.

It is an arithmetic number, because the mean of its divisors is an integer number (27895005).

Almost surely, 2^111552313 is an apocalyptic number.

It is an amenable number.

111552313 is a deficient number, since it is larger than the sum of its proper divisors (27707).

111552313 is an equidigital number, since it uses as much as digits as its factorization.

111552313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27706.

The product of its digits is 450, while the sum is 22.

The square root of 111552313 is about 10561.8328428356. The cubic root of 111552313 is about 481.3853396159.

The spelling of 111552313 in words is "one hundred eleven million, five hundred fifty-two thousand, three hundred thirteen".