115290996257 has 2 divisors, whose sum is σ = 115290996258. Its totient is φ = 115290996256.

The previous prime is 115290996251. The next prime is 115290996281. The reversal of 115290996257 is 752699092511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113009596561 + 2281399696 = 336169^2 + 47764^2 .

It is an emirp because it is prime and its reverse (752699092511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115290996257 - 2¹⁶ = 115290930721 is a prime.

It is not a weakly prime, because it can be changed into another prime (115290996251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57645498128 + 57645498129.

It is an arithmetic number, because the mean of its divisors is an integer number (57645498129).

Almost surely, 2^115290996257 is an apocalyptic number.

It is an amenable number.

115290996257 is a deficient number, since it is larger than the sum of its proper divisors (1).

115290996257 is an equidigital number, since it uses as much as digits as its factorization.

115290996257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 56.

The spelling of 115290996257 in words is "one hundred fifteen billion, two hundred ninety million, nine hundred ninety-six thousand, two hundred fifty-seven".