11383199872 has 96 divisors (see below), whose sum is σ = 25186771260. Its totient is φ = 5120163840.

The previous prime is 11383199851. The next prime is 11383199873. The reversal of 11383199872 is 27899138311.

It can be written as a sum of positive squares in 2 ways, for example, as 9835878976 + 1547320896 = 99176^2 + 39336^2 .

It is not an unprimeable number, because it can be changed into a prime (11383199873) 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, 1498548 + ... + 1506124.

Almost surely, 2^11383199872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11383199872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12593385630).

11383199872 is an abundant number, since it is smaller than the sum of its proper divisors (13803571388).

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

11383199872 is an equidigital number, since it uses as much as digits as its factorization.

11383199872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710 (or 7687 counting only the distinct ones).

The product of its digits is 653184, while the sum is 52.

The spelling of 11383199872 in words is "eleven billion, three hundred eighty-three million, one hundred ninety-nine thousand, eight hundred seventy-two".