10889325720 has 576 divisors, whose sum is σ = 45466686720. Its totient is φ = 2295101952.

The previous prime is 10889325679. The next prime is 10889325731. The reversal of 10889325720 is 2752398801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11498287 + ... + 11499233.

It is an arithmetic number, because the mean of its divisors is an integer number (78935220).

Almost surely, 2^10889325720 is an apocalyptic number.

10889325720 is a gapful number since it is divisible by the number (10) 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 10889325720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22733343360).

10889325720 is an abundant number, since it is smaller than the sum of its proper divisors (34577361000).

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

10889325720 is a wasteful number, since it uses less digits than its factorization.

10889325720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 10889325720 in words is "ten billion, eight hundred eighty-nine million, three hundred twenty-five thousand, seven hundred twenty".