11782231296 has 144 divisors (see below), whose sum is σ = 34266989568. Its totient is φ = 3564288000.

The previous prime is 11782231291. The next prime is 11782231309. The reversal of 11782231296 is 69213228711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11782231291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8878185 + ... + 8879511.

Almost surely, 2^11782231296 is an apocalyptic number.

11782231296 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 11782231296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17133494784).

11782231296 is an abundant number, since it is smaller than the sum of its proper divisors (22484758272).

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

11782231296 is a wasteful number, since it uses less digits than its factorization.

11782231296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408 (or 2394 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The spelling of 11782231296 in words is "eleven billion, seven hundred eighty-two million, two hundred thirty-one thousand, two hundred ninety-six".