115700191 has 2 divisors, whose sum is σ = 115700192. Its totient is φ = 115700190.

The previous prime is 115700149. The next prime is 115700203. The reversal of 115700191 is 191007511.

It is a strong prime.

It is an emirp because it is prime and its reverse (191007511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115700191 - 2⁹ = 115699679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115700891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57850095 + 57850096.

It is an arithmetic number, because the mean of its divisors is an integer number (57850096).

Almost surely, 2^115700191 is an apocalyptic number.

115700191 is a deficient number, since it is larger than the sum of its proper divisors (1).

115700191 is an equidigital number, since it uses as much as digits as its factorization.

115700191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 25.

The square root of 115700191 is about 10756.4023260568. The cubic root of 115700191 is about 487.2793703370.

The spelling of 115700191 in words is "one hundred fifteen million, seven hundred thousand, one hundred ninety-one".