10988066820 has 24 divisors (see below), whose sum is σ = 30766587264. Its totient is φ = 2930151136.

The previous prime is 10988066813. The next prime is 10988066821. The reversal of 10988066820 is 2866088901.

It is a super-2 number, since 2×10988066820² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10988066820.

It is not an unprimeable number, because it can be changed into a prime (10988066821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91567164 + ... + 91567283.

It is an arithmetic number, because the mean of its divisors is an integer number (1281941136).

Almost surely, 2^10988066820 is an apocalyptic number.

10988066820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10988066820 is an abundant number, since it is smaller than the sum of its proper divisors (19778520444).

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

10988066820 is a wasteful number, since it uses less digits than its factorization.

10988066820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183134459 (or 183134457 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 10988066820 in words is "ten billion, nine hundred eighty-eight million, sixty-six thousand, eight hundred twenty".