115603065499897 has 2 divisors, whose sum is σ = 115603065499898. Its totient is φ = 115603065499896.

The previous prime is 115603065499879. The next prime is 115603065499907. The reversal of 115603065499897 is 798994560306511.

Together with previous prime (115603065499879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79943966617321 + 35659098882576 = 8941139^2 + 5971524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115603065499897 is a prime.

It is not a weakly prime, because it can be changed into another prime (115603065499997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57801532749948 + 57801532749949.

It is an arithmetic number, because the mean of its divisors is an integer number (57801532749949).

Almost surely, 2^{115603065499897} is an apocalyptic number.

It is an amenable number.

115603065499897 is a deficient number, since it is larger than the sum of its proper divisors (1).

115603065499897 is an equidigital number, since it uses as much as digits as its factorization.

115603065499897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 440899200, while the sum is 73.

The spelling of 115603065499897 in words is "one hundred fifteen trillion, six hundred three billion, sixty-five million, four hundred ninety-nine thousand, eight hundred ninety-seven".