11209055892 has 12 divisors (see below), whose sum is σ = 26154463776. Its totient is φ = 3736351960.

The previous prime is 11209055863. The next prime is 11209055933. The reversal of 11209055892 is 29855090211.

It is a tau number, because it is divible by the number of its divisors (12).

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, 467043984 + ... + 467044007.

It is an arithmetic number, because the mean of its divisors is an integer number (2179538648).

Almost surely, 2^11209055892 is an apocalyptic number.

11209055892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11209055892 is an abundant number, since it is smaller than the sum of its proper divisors (14945407884).

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

11209055892 is a wasteful number, since it uses less digits than its factorization.

11209055892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934087998 (or 934087996 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 42.

The spelling of 11209055892 in words is "eleven billion, two hundred nine million, fifty-five thousand, eight hundred ninety-two".