10988939520 has 720 divisors, whose sum is σ = 43877256192. Its totient is φ = 2607759360.

The previous prime is 10988939501. The next prime is 10988939539. The reversal of 10988939520 is 2593988901.

10988939520 is a `hidden beast` number, since 1 + 0 + 9 + 8 + 89 + 39 + 520 = 666.

10988939520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10988939501) and next prime (10988939539).

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 41782909 + ... + 41783171.

Almost surely, 2^10988939520 is an apocalyptic number.

10988939520 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 10988939520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21938628096).

10988939520 is an abundant number, since it is smaller than the sum of its proper divisors (32888316672).

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

10988939520 is a wasteful number, since it uses less digits than its factorization.

10988939520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 10988939520 in words is "ten billion, nine hundred eighty-eight million, nine hundred thirty-nine thousand, five hundred twenty".