117240681079 has 2 divisors, whose sum is σ = 117240681080. Its totient is φ = 117240681078.

The previous prime is 117240681073. The next prime is 117240681113. The reversal of 117240681079 is 970186042711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117240681079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117240681073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58620340539 + 58620340540.

It is an arithmetic number, because the mean of its divisors is an integer number (58620340540).

Almost surely, 2^117240681079 is an apocalyptic number.

117240681079 is a deficient number, since it is larger than the sum of its proper divisors (1).

117240681079 is an equidigital number, since it uses as much as digits as its factorization.

117240681079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 46.

The spelling of 117240681079 in words is "one hundred seventeen billion, two hundred forty million, six hundred eighty-one thousand, seventy-nine".