11998182720 has 112 divisors (see below), whose sum is σ = 38718914688. Its totient is φ = 3147048960.

The previous prime is 11998182709. The next prime is 11998182773. The reversal of 11998182720 is 2728189911.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 11998182720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43884 + ... + 161003.

Almost surely, 2^11998182720 is an apocalyptic number.

11998182720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11998182720 is an abundant number, since it is smaller than the sum of its proper divisors (26720731968).

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

11998182720 is a wasteful number, since it uses less digits than its factorization.

11998182720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204968 (or 204958 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 48.

The spelling of 11998182720 in words is "eleven billion, nine hundred ninety-eight million, one hundred eighty-two thousand, seven hundred twenty".