117878693113 has 2 divisors, whose sum is σ = 117878693114. Its totient is φ = 117878693112.

The previous prime is 117878693111. The next prime is 117878693131. The reversal of 117878693113 is 311396878711.

It is a happy number.

Together with next prime (117878693131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83770882624 + 34107810489 = 289432^2 + 184683^2 .

It is a cyclic number.

It is not a de Polignac number, because 117878693113 - 2¹ = 117878693111 is a prime.

Together with 117878693111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (117878693111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58939346556 + 58939346557.

It is an arithmetic number, because the mean of its divisors is an integer number (58939346557).

Almost surely, 2^117878693113 is an apocalyptic number.

It is an amenable number.

117878693113 is a deficient number, since it is larger than the sum of its proper divisors (1).

117878693113 is an equidigital number, since it uses as much as digits as its factorization.

117878693113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 55.

The spelling of 117878693113 in words is "one hundred seventeen billion, eight hundred seventy-eight million, six hundred ninety-three thousand, one hundred thirteen".