11261799808 has 32 divisors (see below), whose sum is σ = 25640706960. Its totient is φ = 4826485248.

The previous prime is 11261799799. The next prime is 11261799811. The reversal of 11261799808 is 80899716211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6283591 + ... + 6285382.

Almost surely, 2^11261799808 is an apocalyptic number.

It is an amenable number.

11261799808 is an abundant number, since it is smaller than the sum of its proper divisors (14378907152).

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

11261799808 is an equidigital number, since it uses as much as digits as its factorization.

11261799808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12568994 (or 12568982 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 11261799808 in words is "eleven billion, two hundred sixty-one million, seven hundred ninety-nine thousand, eight hundred eight".