11989023393582 has 128 divisors (see below), whose sum is σ = 27428712998400. Its totient is φ = 3878911162368.

The previous prime is 11989023393569. The next prime is 11989023393631. The reversal of 11989023393582 is 28539332098911.

11989023393582 is a `hidden beast` number, since 1 + 1 + 98 + 90 + 23 + 393 + 58 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1660755969 + ... + 1660763187.

It is an arithmetic number, because the mean of its divisors is an integer number (214286820300).

Almost surely, 2^{11989023393582} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11989023393582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13714356499200).

11989023393582 is an abundant number, since it is smaller than the sum of its proper divisors (15439689604818).

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

11989023393582 is a wasteful number, since it uses less digits than its factorization.

11989023393582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9167 (or 9161 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 11989023393582 in words is "eleven trillion, nine hundred eighty-nine billion, twenty-three million, three hundred ninety-three thousand, five hundred eighty-two".