11328072660 has 72 divisors (see below), whose sum is σ = 35010186120. Its totient is φ = 2963820288.

The previous prime is 11328072643. The next prime is 11328072709. The reversal of 11328072660 is 6627082311.

11328072660 is a `hidden beast` number, since 113 + 280 + 7 + 266 + 0 = 666.

11328072660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4188160656 + 7139912004 = 64716^2 + 84498^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 584175 + ... + 603254.

It is an arithmetic number, because the mean of its divisors is an integer number (486252585).

Almost surely, 2^11328072660 is an apocalyptic number.

11328072660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11328072660 is an abundant number, since it is smaller than the sum of its proper divisors (23682113460).

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

11328072660 is a wasteful number, since it uses less digits than its factorization.

11328072660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187497 (or 1187492 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 11328072660 in words is "eleven billion, three hundred twenty-eight million, seventy-two thousand, six hundred sixty".