10818181860 has 24 divisors (see below), whose sum is σ = 30290909376. Its totient is φ = 2884848480.

The previous prime is 10818181849. The next prime is 10818181919. The reversal of 10818181860 is 6818181801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90151456 + ... + 90151575.

It is an arithmetic number, because the mean of its divisors is an integer number (1262121224).

Almost surely, 2^10818181860 is an apocalyptic number.

10818181860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10818181860 is an abundant number, since it is smaller than the sum of its proper divisors (19472727516).

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

10818181860 is a wasteful number, since it uses less digits than its factorization.

10818181860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180303043 (or 180303041 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 42.

The spelling of 10818181860 in words is "ten billion, eight hundred eighteen million, one hundred eighty-one thousand, eight hundred sixty".