11144021019 has 32 divisors (see below), whose sum is σ = 16131293184. Its totient is φ = 6822779040.

The previous prime is 11144020981. The next prime is 11144021039. The reversal of 11144021019 is 91012044111.

It is not a de Polignac number, because 11144021019 - 2⁸ = 11144020763 is a prime.

It is a super-3 number, since 3×11144021019³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 11144021019.

It is not an unprimeable number, because it can be changed into a prime (11144021039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251142 + ... + 292164.

It is an arithmetic number, because the mean of its divisors is an integer number (504102912).

Almost surely, 2^11144021019 is an apocalyptic number.

11144021019 is a deficient number, since it is larger than the sum of its proper divisors (4987272165).

11144021019 is a wasteful number, since it uses less digits than its factorization.

11144021019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41207.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 11144021019 in words is "eleven billion, one hundred forty-four million, twenty-one thousand, nineteen".