11801202800 has 120 divisors (see below), whose sum is σ = 30123290736. Its totient is φ = 4427550720.

The previous prime is 11801202793. The next prime is 11801202821. The reversal of 11801202800 is 820210811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2084774 + ... + 2090426.

Almost surely, 2^11801202800 is an apocalyptic number.

11801202800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11801202800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15061645368).

11801202800 is an abundant number, since it is smaller than the sum of its proper divisors (18322087936).

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

11801202800 is a wasteful number, since it uses less digits than its factorization.

11801202800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5995 (or 5984 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 23.

The spelling of 11801202800 in words is "eleven billion, eight hundred one million, two hundred two thousand, eight hundred".