115715400451513 has 2 divisors, whose sum is σ = 115715400451514. Its totient is φ = 115715400451512.

The previous prime is 115715400451481. The next prime is 115715400451517. The reversal of 115715400451513 is 315154004517511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90912639875344 + 24802760576169 = 9534812^2 + 4980237^2 .

It is a cyclic number.

It is not a de Polignac number, because 115715400451513 - 2⁵ = 115715400451481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115715400451513.

It is not a weakly prime, because it can be changed into another prime (115715400451517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57857700225756 + 57857700225757.

It is an arithmetic number, because the mean of its divisors is an integer number (57857700225757).

Almost surely, 2^{115715400451513} is an apocalyptic number.

It is an amenable number.

115715400451513 is a deficient number, since it is larger than the sum of its proper divisors (1).

115715400451513 is an equidigital number, since it uses as much as digits as its factorization.

115715400451513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210000, while the sum is 43.

The spelling of 115715400451513 in words is "one hundred fifteen trillion, seven hundred fifteen billion, four hundred million, four hundred fifty-one thousand, five hundred thirteen".