11711712140 has 12 divisors (see below), whose sum is σ = 24594595536. Its totient is φ = 4684684848.

The previous prime is 11711712139. The next prime is 11711712161. The reversal of 11711712140 is 4121711711.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292792784 + ... + 292792823.

It is an arithmetic number, because the mean of its divisors is an integer number (2049549628).

Almost surely, 2^11711712140 is an apocalyptic number.

11711712140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11711712140 is an abundant number, since it is smaller than the sum of its proper divisors (12882883396).

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

11711712140 is a wasteful number, since it uses less digits than its factorization.

11711712140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585585616 (or 585585614 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 26.

The spelling of 11711712140 in words is "eleven billion, seven hundred eleven million, seven hundred twelve thousand, one hundred forty".