115371691 has 2 divisors, whose sum is σ = 115371692. Its totient is φ = 115371690.

The previous prime is 115371647. The next prime is 115371713. The reversal of 115371691 is 196173511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115371691 - 2¹³ = 115363499 is a prime.

It is not a weakly prime, because it can be changed into another prime (115371631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57685845 + 57685846.

It is an arithmetic number, because the mean of its divisors is an integer number (57685846).

Almost surely, 2^115371691 is an apocalyptic number.

115371691 is a deficient number, since it is larger than the sum of its proper divisors (1).

115371691 is an equidigital number, since it uses as much as digits as its factorization.

115371691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 34.

The square root of 115371691 is about 10741.1214963802. The cubic root of 115371691 is about 486.8177663573.

The spelling of 115371691 in words is "one hundred fifteen million, three hundred seventy-one thousand, six hundred ninety-one".