115256663 has 2 divisors, whose sum is σ = 115256664. Its totient is φ = 115256662.

The previous prime is 115256629. The next prime is 115256689. The reversal of 115256663 is 366652511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115256663 - 2¹⁶ = 115191127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115256693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57628331 + 57628332.

It is an arithmetic number, because the mean of its divisors is an integer number (57628332).

Almost surely, 2^115256663 is an apocalyptic number.

115256663 is a deficient number, since it is larger than the sum of its proper divisors (1).

115256663 is an equidigital number, since it uses as much as digits as its factorization.

115256663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 115256663 is about 10735.7655991550. The cubic root of 115256663 is about 486.6559233779.

The spelling of 115256663 in words is "one hundred fifteen million, two hundred fifty-six thousand, six hundred sixty-three".