1111002311444 has 12 divisors (see below), whose sum is σ = 1985621152704. Its totient is φ = 543681982104.

The previous prime is 1111002311443. The next prime is 1111002311449. The reversal of 1111002311444 is 4441132001111.

It is a super-2 number, since 2×1111002311444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111002311443) 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, 2954793194 + ... + 2954793569.

It is an arithmetic number, because the mean of its divisors is an integer number (165468429392).

Almost surely, 2^{1111002311444} is an apocalyptic number.

It is an amenable number.

1111002311444 is a deficient number, since it is larger than the sum of its proper divisors (874618841260).

1111002311444 is a wasteful number, since it uses less digits than its factorization.

1111002311444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909586814 (or 5909586812 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1111002311444 its reverse (4441132001111), we get a palindrome (5552134312555).

The spelling of 1111002311444 in words is "one trillion, one hundred eleven billion, two million, three hundred eleven thousand, four hundred forty-four".