11969483328 has 168 divisors, whose sum is σ = 37792737216. Its totient is φ = 3591705600.

The previous prime is 11969483249. The next prime is 11969483329. The reversal of 11969483328 is 82338496911.

It is a super-2 number, since 2×11969483328² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11969483329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 643438 + ... + 661778.

Almost surely, 2^11969483328 is an apocalyptic number.

11969483328 is a gapful number since it is divisible by the number (18) 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 11969483328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18896368608).

11969483328 is an abundant number, since it is smaller than the sum of its proper divisors (25823253888).

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

11969483328 is a wasteful number, since it uses less digits than its factorization.

11969483328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18473 (or 18460 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 11969483328 in words is "eleven billion, nine hundred sixty-nine million, four hundred eighty-three thousand, three hundred twenty-eight".