11685795318 has 40 divisors (see below), whose sum is σ = 26823507480. Its totient is φ = 3800256480.

The previous prime is 11685795287. The next prime is 11685795337. The reversal of 11685795318 is 81359758611.

It is a happy number.

11685795318 is a `hidden beast` number, since 1 + 1 + 6 + 8 + 579 + 53 + 18 = 666.

It is a super-2 number, since 2×11685795318² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 873048 + ... + 886331.

It is an arithmetic number, because the mean of its divisors is an integer number (670587687).

Almost surely, 2^11685795318 is an apocalyptic number.

11685795318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11685795318 is an abundant number, since it is smaller than the sum of its proper divisors (15137712162).

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

11685795318 is a wasteful number, since it uses less digits than its factorization.

11685795318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759434 (or 1759425 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 54.

The spelling of 11685795318 in words is "eleven billion, six hundred eighty-five million, seven hundred ninety-five thousand, three hundred eighteen".