117814511 has 2 divisors, whose sum is σ = 117814512. Its totient is φ = 117814510.

The previous prime is 117814507. The next prime is 117814513. The reversal of 117814511 is 115418711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117814511 - 2² = 117814507 is a prime.

Together with 117814513, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_6724235 and since 117814511 and 6724235 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117814513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58907255 + 58907256.

It is an arithmetic number, because the mean of its divisors is an integer number (58907256).

Almost surely, 2^117814511 is an apocalyptic number.

117814511 is a deficient number, since it is larger than the sum of its proper divisors (1).

117814511 is an equidigital number, since it uses as much as digits as its factorization.

117814511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 29.

The square root of 117814511 is about 10854.2393100576. The cubic root of 117814511 is about 490.2296729777.

The spelling of 117814511 in words is "one hundred seventeen million, eight hundred fourteen thousand, five hundred eleven".