10659809800 has 48 divisors (see below), whose sum is σ = 25003438740. Its totient is φ = 4226181120.

The previous prime is 10659809777. The next prime is 10659809873. The reversal of 10659809800 is 890895601.

It can be written as a sum of positive squares in 6 ways, for example, as 3448743076 + 7211066724 = 58726^2 + 84918^2 .

It is a super-2 number, since 2×10659809800² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213237 + ... + 258436.

Almost surely, 2^10659809800 is an apocalyptic number.

10659809800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10659809800 is an abundant number, since it is smaller than the sum of its proper divisors (14343628940).

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

10659809800 is a wasteful number, since it uses less digits than its factorization.

10659809800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471802 (or 471793 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 10659809800 in words is "ten billion, six hundred fifty-nine million, eight hundred nine thousand, eight hundred".