10981168512 has 32 divisors (see below), whose sum is σ = 29168729880. Its totient is φ = 3660389376.

The previous prime is 10981168511. The next prime is 10981168519. The reversal of 10981168512 is 21586118901.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10981168511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14298013 + ... + 14298780.

Almost surely, 2^10981168512 is an apocalyptic number.

10981168512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10981168512 is an abundant number, since it is smaller than the sum of its proper divisors (18187561368).

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

10981168512 is an equidigital number, since it uses as much as digits as its factorization.

10981168512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28596810 (or 28596798 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 42.

The spelling of 10981168512 in words is "ten billion, nine hundred eighty-one million, one hundred sixty-eight thousand, five hundred twelve".