11992039488 has 672 divisors, whose sum is σ = 42776802432. Its totient is φ = 3162931200.

The previous prime is 11992039463. The next prime is 11992039489. The reversal of 11992039488 is 88493029911.

It is a super-2 number, since 2×11992039488² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11992039489) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 178985631 + ... + 178985697.

It is an arithmetic number, because the mean of its divisors is an integer number (63655956).

Almost surely, 2^11992039488 is an apocalyptic number.

11992039488 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 11992039488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21388401216).

11992039488 is an abundant number, since it is smaller than the sum of its proper divisors (30784762944).

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

11992039488 is a wasteful number, since it uses less digits than its factorization.

11992039488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 11992039488 in words is "eleven billion, nine hundred ninety-two million, thirty-nine thousand, four hundred eighty-eight".