115511712793 has 2 divisors, whose sum is σ = 115511712794. Its totient is φ = 115511712792.

The previous prime is 115511712733. The next prime is 115511712803. The reversal of 115511712793 is 397217115511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115472874969 + 38837824 = 339813^2 + 6232^2 .

It is an emirp because it is prime and its reverse (397217115511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115511712793 is a prime.

It is not a weakly prime, because it can be changed into another prime (115511712733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57755856396 + 57755856397.

It is an arithmetic number, because the mean of its divisors is an integer number (57755856397).

Almost surely, 2^115511712793 is an apocalyptic number.

It is an amenable number.

115511712793 is a deficient number, since it is larger than the sum of its proper divisors (1).

115511712793 is an equidigital number, since it uses as much as digits as its factorization.

115511712793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66150, while the sum is 43.

The spelling of 115511712793 in words is "one hundred fifteen billion, five hundred eleven million, seven hundred twelve thousand, seven hundred ninety-three".