11510005660 has 12 divisors (see below), whose sum is σ = 24171011928. Its totient is φ = 4604002256.

The previous prime is 11510005651. The next prime is 11510005673. The reversal of 11510005660 is 6650001511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287750122 + ... + 287750161.

It is an arithmetic number, because the mean of its divisors is an integer number (2014250994).

Almost surely, 2^11510005660 is an apocalyptic number.

11510005660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11510005660 is an abundant number, since it is smaller than the sum of its proper divisors (12661006268).

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

11510005660 is a wasteful number, since it uses less digits than its factorization.

11510005660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575500292 (or 575500290 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 11510005660 in words is "eleven billion, five hundred ten million, five thousand, six hundred sixty".