111143001403444 has 12 divisors (see below), whose sum is σ = 197239692631968. Its totient is φ = 54788803508600.

The previous prime is 111143001403429. The next prime is 111143001403457. The reversal of 111143001403444 is 444304100341111.

It is a happy number.

It is a super-2 number, since 2×111143001403444² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195674297962 + ... + 195674298529.

It is an arithmetic number, because the mean of its divisors is an integer number (16436641052664).

Almost surely, 2^{111143001403444} is an apocalyptic number.

It is an amenable number.

111143001403444 is a deficient number, since it is larger than the sum of its proper divisors (86096691228524).

111143001403444 is a wasteful number, since it uses less digits than its factorization.

111143001403444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391348596566 (or 391348596564 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 111143001403444 its reverse (444304100341111), we get a palindrome (555447101744555).

The spelling of 111143001403444 in words is "one hundred eleven trillion, one hundred forty-three billion, one million, four hundred three thousand, four hundred forty-four".