11195899092 has 36 divisors (see below), whose sum is σ = 32343709216. Its totient is φ = 3198828240.

The previous prime is 11195899061. The next prime is 11195899103. The reversal of 11195899092 is 29099859111.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22213834 + ... + 22214337.

Almost surely, 2^11195899092 is an apocalyptic number.

11195899092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11195899092 is an abundant number, since it is smaller than the sum of its proper divisors (21147810124).

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

11195899092 is a wasteful number, since it uses less digits than its factorization.

11195899092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44428188 (or 44428183 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 54.

The spelling of 11195899092 in words is "eleven billion, one hundred ninety-five million, eight hundred ninety-nine thousand, ninety-two".