115897403519 has 2 divisors, whose sum is σ = 115897403520. Its totient is φ = 115897403518.

The previous prime is 115897403477. The next prime is 115897403537. The reversal of 115897403519 is 915304798511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115897403519 is a prime.

It is a super-2 number, since 2×115897403519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115897403549) 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, 57948701759 + 57948701760.

It is an arithmetic number, because the mean of its divisors is an integer number (57948701760).

Almost surely, 2^115897403519 is an apocalyptic number.

115897403519 is a deficient number, since it is larger than the sum of its proper divisors (1).

115897403519 is an equidigital number, since it uses as much as digits as its factorization.

115897403519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 115897403519 in words is "one hundred fifteen billion, eight hundred ninety-seven million, four hundred three thousand, five hundred nineteen".