11521083660 has 48 divisors (see below), whose sum is σ = 33299653632. Its totient is φ = 2973182400.

The previous prime is 11521083631. The next prime is 11521083667. The reversal of 11521083660 is 6638012511.

11521083660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (11521083667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3095206 + ... + 3098925.

It is an arithmetic number, because the mean of its divisors is an integer number (693742784).

Almost surely, 2^11521083660 is an apocalyptic number.

11521083660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11521083660 is an abundant number, since it is smaller than the sum of its proper divisors (21778569972).

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

11521083660 is a wasteful number, since it uses less digits than its factorization.

11521083660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194174 (or 6194172 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 11521083660 in words is "eleven billion, five hundred twenty-one million, eighty-three thousand, six hundred sixty".