117853211385 has 256 divisors, whose sum is σ = 263954718720. Its totient is φ = 48570762240.

The previous prime is 117853211323. The next prime is 117853211449. The reversal of 117853211385 is 583112358711.

117853211385 is a `hidden beast` number, since 1 + 1 + 7 + 8 + 53 + 211 + 385 = 666.

It is not a de Polignac number, because 117853211385 - 2⁶ = 117853211321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 117853211385.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 107824899 + ... + 107825991.

It is an arithmetic number, because the mean of its divisors is an integer number (1031073120).

Almost surely, 2^117853211385 is an apocalyptic number.

117853211385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117853211385 is an abundant number, since it is smaller than the sum of its proper divisors (146101507335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117853211385 is a wasteful number, since it uses less digits than its factorization.

117853211385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1319 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The spelling of 117853211385 in words is "one hundred seventeen billion, eight hundred fifty-three million, two hundred eleven thousand, three hundred eighty-five".