10998801081 has 32 divisors (see below), whose sum is σ = 16707747840. Its totient is φ = 7146921600.

The previous prime is 10998801019. The next prime is 10998801167. The reversal of 10998801081 is 18010889901.

10998801081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10998801081 - 2¹⁴ = 10998784697 is a prime.

It is a super-2 number, since 2×10998801081² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10998801001) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1338696 + ... + 1346886.

It is an arithmetic number, because the mean of its divisors is an integer number (522117120).

Almost surely, 2^10998801081 is an apocalyptic number.

It is an amenable number.

10998801081 is a deficient number, since it is larger than the sum of its proper divisors (5708946759).

10998801081 is a wasteful number, since it uses less digits than its factorization.

10998801081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9454 (or 9448 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 45.

The spelling of 10998801081 in words is "ten billion, nine hundred ninety-eight million, eight hundred one thousand, eighty-one".