11833991936 has 72 divisors (see below), whose sum is σ = 25467667680. Its totient is φ = 5455650816.

The previous prime is 11833991933. The next prime is 11833991959. The reversal of 11833991936 is 63919933811.

It is not an unprimeable number, because it can be changed into a prime (11833991933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4335020 + ... + 4337748.

Almost surely, 2^11833991936 is an apocalyptic number.

11833991936 is a gapful number since it is divisible by the number (16) 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 11833991936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12733833840).

11833991936 is an abundant number, since it is smaller than the sum of its proper divisors (13633675744).

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

11833991936 is a wasteful number, since it uses less digits than its factorization.

11833991936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061 (or 4047 counting only the distinct ones).

The product of its digits is 944784, while the sum is 53.

The spelling of 11833991936 in words is "eleven billion, eight hundred thirty-three million, nine hundred ninety-one thousand, nine hundred thirty-six".