115263157 has 2 divisors, whose sum is σ = 115263158. Its totient is φ = 115263156.

The previous prime is 115263151. The next prime is 115263191. The reversal of 115263157 is 751362511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114083761 + 1179396 = 10681^2 + 1086^2 .

It is a cyclic number.

It is not a de Polignac number, because 115263157 - 2³ = 115263149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115263151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57631578 + 57631579.

It is an arithmetic number, because the mean of its divisors is an integer number (57631579).

Almost surely, 2^115263157 is an apocalyptic number.

It is an amenable number.

115263157 is a deficient number, since it is larger than the sum of its proper divisors (1).

115263157 is an equidigital number, since it uses as much as digits as its factorization.

115263157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 31.

The square root of 115263157 is about 10736.0680418857. The cubic root of 115263157 is about 486.6650632232.

The spelling of 115263157 in words is "one hundred fifteen million, two hundred sixty-three thousand, one hundred fifty-seven".