11189055492 has 36 divisors (see below), whose sum is σ = 28427034636. Its totient is φ = 3710750400.

The previous prime is 11189055481. The next prime is 11189055511. The reversal of 11189055492 is 29455098111.

11189055492 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 9 + 0 + 554 + 92 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6682081536 + 4506973956 = 81744^2 + 67134^2 .

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

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, 781759 + ... + 795942.

It is an arithmetic number, because the mean of its divisors is an integer number (789639851).

Almost surely, 2^11189055492 is an apocalyptic number.

11189055492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11189055492 is an abundant number, since it is smaller than the sum of its proper divisors (17237979144).

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

11189055492 is a wasteful number, since it uses less digits than its factorization.

11189055492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577908 (or 1577903 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The spelling of 11189055492 in words is "eleven billion, one hundred eighty-nine million, fifty-five thousand, four hundred ninety-two".