115183661 has 2 divisors, whose sum is σ = 115183662. Its totient is φ = 115183660.

The previous prime is 115183633. The next prime is 115183703. The reversal of 115183661 is 166381511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106213636 + 8970025 = 10306^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 115183661 - 2¹⁴ = 115167277 is a prime.

It is a super-2 number, since 2×115183661² = 26534551522725842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115183261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57591830 + 57591831.

It is an arithmetic number, because the mean of its divisors is an integer number (57591831).

Almost surely, 2^115183661 is an apocalyptic number.

It is an amenable number.

115183661 is a deficient number, since it is larger than the sum of its proper divisors (1).

115183661 is an equidigital number, since it uses as much as digits as its factorization.

115183661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 32.

The square root of 115183661 is about 10732.3651167858. The cubic root of 115183661 is about 486.5531546003.

The spelling of 115183661 in words is "one hundred fifteen million, one hundred eighty-three thousand, six hundred sixty-one".