115175681 has 2 divisors, whose sum is σ = 115175682. Its totient is φ = 115175680.

The previous prime is 115175657. The next prime is 115175689. The reversal of 115175681 is 186571511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113635600 + 1540081 = 10660^2 + 1241^2 .

It is a cyclic number.

It is not a de Polignac number, because 115175681 - 2²⁶ = 48066817 is a prime.

It is a super-2 number, since 2×115175681² = 26530874987627522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115175689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57587840 + 57587841.

It is an arithmetic number, because the mean of its divisors is an integer number (57587841).

Almost surely, 2^115175681 is an apocalyptic number.

It is an amenable number.

115175681 is a deficient number, since it is larger than the sum of its proper divisors (1).

115175681 is an equidigital number, since it uses as much as digits as its factorization.

115175681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 35.

The square root of 115175681 is about 10731.9933376796. The cubic root of 115175681 is about 486.5419180996.

The spelling of 115175681 in words is "one hundred fifteen million, one hundred seventy-five thousand, six hundred eighty-one".