11091184040 has 16 divisors (see below), whose sum is σ = 24955164180. Its totient is φ = 4436473600.

The previous prime is 11091184031. The next prime is 11091184063. The reversal of 11091184040 is 4048119011.

It can be written as a sum of positive squares in 2 ways, for example, as 10977591076 + 113592964 = 104774^2 + 10658^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11091183994 and 11091184012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138639761 + ... + 138639840.

Almost surely, 2^11091184040 is an apocalyptic number.

11091184040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11091184040 is an abundant number, since it is smaller than the sum of its proper divisors (13863980140).

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

11091184040 is a wasteful number, since it uses less digits than its factorization.

11091184040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277279612 (or 277279608 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 11091184040 in words is "eleven billion, ninety-one million, one hundred eighty-four thousand, forty".