115013238889 has 2 divisors, whose sum is σ = 115013238890. Its totient is φ = 115013238888.

The previous prime is 115013238803. The next prime is 115013238917. The reversal of 115013238889 is 988832310511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58496259600 + 56516979289 = 241860^2 + 237733^2 .

It is a cyclic number.

It is not a de Polignac number, because 115013238889 - 2⁹ = 115013238377 is a prime.

It is not a weakly prime, because it can be changed into another prime (115013238689) 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, 57506619444 + 57506619445.

It is an arithmetic number, because the mean of its divisors is an integer number (57506619445).

Almost surely, 2^115013238889 is an apocalyptic number.

It is an amenable number.

115013238889 is a deficient number, since it is larger than the sum of its proper divisors (1).

115013238889 is an equidigital number, since it uses as much as digits as its factorization.

115013238889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 115013238889 in words is "one hundred fifteen billion, thirteen million, two hundred thirty-eight thousand, eight hundred eighty-nine".