11000440019 has 4 divisors (see below), whose sum is σ = 11647524744. Its totient is φ = 10353355296.

The previous prime is 11000439997. The next prime is 11000440027. The reversal of 11000440019 is 91004400011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11000440019 - 2⁸ = 11000439763 is a prime.

It is a super-2 number, since 2×11000440019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000440039) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 323542337 + ... + 323542370.

It is an arithmetic number, because the mean of its divisors is an integer number (2911881186).

Almost surely, 2^11000440019 is an apocalyptic number.

11000440019 is a deficient number, since it is larger than the sum of its proper divisors (647084725).

11000440019 is an equidigital number, since it uses as much as digits as its factorization.

11000440019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647084724.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 11000440019 in words is "eleven billion, four hundred forty thousand, nineteen".