11640209900 has 54 divisors (see below), whose sum is σ = 27564024852. Its totient is φ = 4231502400.

The previous prime is 11640209899. The next prime is 11640209929. The reversal of 11640209900 is 990204611.

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 17 ways as a sum of consecutive naturals, for example, 3576674 + ... + 3579926.

Almost surely, 2^11640209900 is an apocalyptic number.

11640209900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11640209900 is an abundant number, since it is smaller than the sum of its proper divisors (15923814952).

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

11640209900 is an equidigital number, since it uses as much as digits as its factorization.

11640209900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6531 (or 3271 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 11640209900 in words is "eleven billion, six hundred forty million, two hundred nine thousand, nine hundred".