117807493651 has 2 divisors, whose sum is σ = 117807493652. Its totient is φ = 117807493650.

The previous prime is 117807493621. The next prime is 117807493709. The reversal of 117807493651 is 156394708711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117807493651 - 2⁷ = 117807493523 is a prime.

It is not a weakly prime, because it can be changed into another prime (117807493621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58903746825 + 58903746826.

It is an arithmetic number, because the mean of its divisors is an integer number (58903746826).

Almost surely, 2^117807493651 is an apocalyptic number.

117807493651 is a deficient number, since it is larger than the sum of its proper divisors (1).

117807493651 is an equidigital number, since it uses as much as digits as its factorization.

117807493651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 117807493651 in words is "one hundred seventeen billion, eight hundred seven million, four hundred ninety-three thousand, six hundred fifty-one".