115388588897 has 2 divisors, whose sum is σ = 115388588898. Its totient is φ = 115388588896.

The previous prime is 115388588891. The next prime is 115388588941. The reversal of 115388588897 is 798885883511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88885074496 + 26503514401 = 298136^2 + 162799^2 .

It is a cyclic number.

It is not a de Polignac number, because 115388588897 - 2⁴ = 115388588881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115388588897.

It is not a weakly prime, because it can be changed into another prime (115388588891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57694294448 + 57694294449.

It is an arithmetic number, because the mean of its divisors is an integer number (57694294449).

Almost surely, 2^115388588897 is an apocalyptic number.

It is an amenable number.

115388588897 is a deficient number, since it is larger than the sum of its proper divisors (1).

115388588897 is an equidigital number, since it uses as much as digits as its factorization.

115388588897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 154828800, while the sum is 71.

The spelling of 115388588897 in words is "one hundred fifteen billion, three hundred eighty-eight million, five hundred eighty-eight thousand, eight hundred ninety-seven".