11718714690 has 80 divisors (see below), whose sum is σ = 32596949880. Its totient is φ = 3017226240.

The previous prime is 11718714677. The next prime is 11718714727. The reversal of 11718714690 is 9641781711.

11718714690 is a `hidden beast` number, since 1 + 1 + 7 + 187 + 1 + 469 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10469587041 + 1249127649 = 102321^2 + 35343^2 .

It is a super-2 number, since 2×11718714690² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 225951 + ... + 272930.

Almost surely, 2^11718714690 is an apocalyptic number.

11718714690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11718714690 is an abundant number, since it is smaller than the sum of its proper divisors (20878235190).

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

11718714690 is a wasteful number, since it uses less digits than its factorization.

11718714690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498929 (or 498920 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 45.

The spelling of 11718714690 in words is "eleven billion, seven hundred eighteen million, seven hundred fourteen thousand, six hundred ninety".