10981500 has 48 divisors (see below), whose sum is σ = 31982496. Its totient is φ = 2928000.

The previous prime is 10981483. The next prime is 10981513. The reversal of 10981500 is 518901.

10981500 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2161 + ... + 5160.

It is an arithmetic number, because the mean of its divisors is an integer number (666302).

Almost surely, 2^10981500 is an apocalyptic number.

10981500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10981500 is an abundant number, since it is smaller than the sum of its proper divisors (21000996).

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

10981500 is a wasteful number, since it uses less digits than its factorization.

10981500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343 (or 7331 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 10981500 is about 3313.8346367916. The cubic root of 10981500 is about 222.2732614247.

The spelling of 10981500 in words is "ten million, nine hundred eighty-one thousand, five hundred".