11932686880 has 48 divisors (see below), whose sum is σ = 28223304984. Its totient is φ = 4767600640.

The previous prime is 11932686877. The next prime is 11932686881. The reversal of 11932686880 is 8868623911.

It can be written as a sum of positive squares in 4 ways, for example, as 4340701456 + 7591985424 = 65884^2 + 87132^2 .

It is a super-2 number, since 2×11932686880² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11932686881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98634 + ... + 183286.

Almost surely, 2^11932686880 is an apocalyptic number.

11932686880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11932686880 is an abundant number, since it is smaller than the sum of its proper divisors (16290618104).

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

11932686880 is an equidigital number, since it uses as much as digits as its factorization.

11932686880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85549 (or 85541 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 11932686880 in words is "eleven billion, nine hundred thirty-two million, six hundred eighty-six thousand, eight hundred eighty".