117783387711 has 128 divisors (see below), whose sum is σ = 214747545600. Its totient is φ = 62935678080.

The previous prime is 117783387697. The next prime is 117783387721.

117783387711 is a `hidden beast` number, since 1 + 177 + 83 + 387 + 7 + 11 = 666.

117783387711 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 117783387711 - 2¹¹ = 117783385663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117783387721) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4789930 + ... + 4814456.

It is an arithmetic number, because the mean of its divisors is an integer number (1677715200).

Almost surely, 2^117783387711 is an apocalyptic number.

117783387711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117783387711 is a deficient number, since it is larger than the sum of its proper divisors (96964157889).

117783387711 is a wasteful number, since it uses less digits than its factorization.

117783387711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24626 (or 24620 counting only the distinct ones).

The product of its digits is 1382976, while the sum is 54.

The spelling of 117783387711 in words is "one hundred seventeen billion, seven hundred eighty-three million, three hundred eighty-seven thousand, seven hundred eleven".