113415569 has 2 divisors, whose sum is σ = 113415570. Its totient is φ = 113415568.

The previous prime is 113415509. The next prime is 113415581. The reversal of 113415569 is 965514311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112614544 + 801025 = 10612^2 + 895^2 .

It is an emirp because it is prime and its reverse (965514311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113415569 is a prime.

It is a super-2 number, since 2×113415569² = 25726182583187522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113415509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56707784 + 56707785.

It is an arithmetic number, because the mean of its divisors is an integer number (56707785).

Almost surely, 2^113415569 is an apocalyptic number.

It is an amenable number.

113415569 is a deficient number, since it is larger than the sum of its proper divisors (1).

113415569 is an equidigital number, since it uses as much as digits as its factorization.

113415569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 35.

The square root of 113415569 is about 10649.6745959677. The cubic root of 113415569 is about 484.0507440023.

The spelling of 113415569 in words is "one hundred thirteen million, four hundred fifteen thousand, five hundred sixty-nine".