115391141 has 2 divisors, whose sum is σ = 115391142. Its totient is φ = 115391140.

The previous prime is 115391119. The next prime is 115391147. The reversal of 115391141 is 141193511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112572100 + 2819041 = 10610^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 115391141 - 2¹⁸ = 115128997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115391141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115391147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57695570 + 57695571.

It is an arithmetic number, because the mean of its divisors is an integer number (57695571).

Almost surely, 2^115391141 is an apocalyptic number.

It is an amenable number.

115391141 is a deficient number, since it is larger than the sum of its proper divisors (1).

115391141 is an equidigital number, since it uses as much as digits as its factorization.

115391141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 26.

The square root of 115391141 is about 10742.0268571625. The cubic root of 115391141 is about 486.8451216337.

The spelling of 115391141 in words is "one hundred fifteen million, three hundred ninety-one thousand, one hundred forty-one".