11640445800 has 48 divisors (see below), whose sum is σ = 36085383840. Its totient is φ = 3104118720.

The previous prime is 11640445787. The next prime is 11640445813. The reversal of 11640445800 is 854404611.

It is an interprime number because it is at equal distance from previous prime (11640445787) and next prime (11640445813).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9699772 + ... + 9700971.

It is an arithmetic number, because the mean of its divisors is an integer number (751778830).

Almost surely, 2^11640445800 is an apocalyptic number.

11640445800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11640445800 is an abundant number, since it is smaller than the sum of its proper divisors (24444938040).

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

11640445800 is a wasteful number, since it uses less digits than its factorization.

11640445800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19400762 (or 19400753 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 11640445800 in words is "eleven billion, six hundred forty million, four hundred forty-five thousand, eight hundred".