115390111 has 2 divisors, whose sum is σ = 115390112. Its totient is φ = 115390110.

The previous prime is 115390081. The next prime is 115390141. The reversal of 115390111 is 111093511.

It is a balanced prime because it is at equal distance from previous prime (115390081) and next prime (115390141).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115390111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115390141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57695055 + 57695056.

It is an arithmetic number, because the mean of its divisors is an integer number (57695056).

Almost surely, 2^115390111 is an apocalyptic number.

115390111 is a deficient number, since it is larger than the sum of its proper divisors (1).

115390111 is an equidigital number, since it uses as much as digits as its factorization.

115390111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 22.

The square root of 115390111 is about 10741.9789145204. The cubic root of 115390111 is about 486.8436730766.

The spelling of 115390111 in words is "one hundred fifteen million, three hundred ninety thousand, one hundred eleven".