10989123320 has 32 divisors (see below), whose sum is σ = 28257746400. Its totient is φ = 3767699328.

The previous prime is 10989123281. The next prime is 10989123337. The reversal of 10989123320 is 2332198901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19623155 + ... + 19623714.

It is an arithmetic number, because the mean of its divisors is an integer number (883054575).

Almost surely, 2^10989123320 is an apocalyptic number.

10989123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10989123320 is an abundant number, since it is smaller than the sum of its proper divisors (17268623080).

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

10989123320 is a wasteful number, since it uses less digits than its factorization.

10989123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39246887 (or 39246883 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 10989123320 in words is "ten billion, nine hundred eighty-nine million, one hundred twenty-three thousand, three hundred twenty".