10881021888 has 336 divisors, whose sum is σ = 35376307200. Its totient is φ = 3168921600.

The previous prime is 10881021757. The next prime is 10881021889. The reversal of 10881021888 is 88812018801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10881021889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18165013 + ... + 18165611.

Almost surely, 2^10881021888 is an apocalyptic number.

10881021888 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 10881021888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17688153600).

10881021888 is an abundant number, since it is smaller than the sum of its proper divisors (24495285312).

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

10881021888 is a wasteful number, since it uses less digits than its factorization.

10881021888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 45.

The spelling of 10881021888 in words is "ten billion, eight hundred eighty-one million, twenty-one thousand, eight hundred eighty-eight".