11987002392 has 128 divisors (see below), whose sum is σ = 31330091520. Its totient is φ = 3818880000.

The previous prime is 11987002367. The next prime is 11987002393. The reversal of 11987002392 is 29320078911.

It is a super-3 number, since 3×11987002392³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11987002393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10235967 + ... + 10237137.

It is an arithmetic number, because the mean of its divisors is an integer number (244766340).

Almost surely, 2^11987002392 is an apocalyptic number.

11987002392 is a gapful number since it is divisible by the number (12) 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 11987002392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15665045760).

11987002392 is an abundant number, since it is smaller than the sum of its proper divisors (19343089128).

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

11987002392 is a wasteful number, since it uses less digits than its factorization.

11987002392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 11987002392 in words is "eleven billion, nine hundred eighty-seven million, two thousand, three hundred ninety-two".