115506372797 has 2 divisors, whose sum is σ = 115506372798. Its totient is φ = 115506372796.

The previous prime is 115506372781. The next prime is 115506372799. The reversal of 115506372797 is 797273605511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113211387961 + 2294984836 = 336469^2 + 47906^2 .

It is a cyclic number.

It is not a de Polignac number, because 115506372797 - 2⁴ = 115506372781 is a prime.

Together with 115506372799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115506372799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57753186398 + 57753186399.

It is an arithmetic number, because the mean of its divisors is an integer number (57753186399).

Almost surely, 2^115506372797 is an apocalyptic number.

It is an amenable number.

115506372797 is a deficient number, since it is larger than the sum of its proper divisors (1).

115506372797 is an equidigital number, since it uses as much as digits as its factorization.

115506372797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2778300, while the sum is 53.

The spelling of 115506372797 in words is "one hundred fifteen billion, five hundred six million, three hundred seventy-two thousand, seven hundred ninety-seven".