11559900672 has 120 divisors (see below), whose sum is σ = 33420599784. Its totient is φ = 3846610944.

The previous prime is 11559900661. The next prime is 11559900673. The reversal of 11559900672 is 27600995511.

11559900672 is a `hidden beast` number, since 1 + 1 + 559 + 90 + 0 + 6 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11559900673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3145428 + ... + 3149100.

Almost surely, 2^11559900672 is an apocalyptic number.

11559900672 is a gapful number since it is divisible by the number (12) 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 11559900672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16710299892).

11559900672 is an abundant number, since it is smaller than the sum of its proper divisors (21860699112).

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

11559900672 is an equidigital number, since it uses as much as digits as its factorization.

11559900672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380 (or 4361 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 45.

The spelling of 11559900672 in words is "eleven billion, five hundred fifty-nine million, nine hundred thousand, six hundred seventy-two".