1111330142043 has 16 divisors (see below), whose sum is σ = 1616553417600. Its totient is φ = 673502914880.

The previous prime is 1111330142009. The next prime is 1111330142047. The reversal of 1111330142043 is 3402410331111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1111330142043 - 2²¹ = 1111328044891 is a prime.

It is a super-2 number, since 2×1111330142043² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111330142047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11913 + ... + 1490906.

It is an arithmetic number, because the mean of its divisors is an integer number (101034588600).

Almost surely, 2^{1111330142043} is an apocalyptic number.

1111330142043 is a deficient number, since it is larger than the sum of its proper divisors (505223275557).

1111330142043 is a wasteful number, since it uses less digits than its factorization.

1111330142043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525242.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1111330142043 its reverse (3402410331111), we get a palindrome (4513740473154).

The spelling of 1111330142043 in words is "one trillion, one hundred eleven billion, three hundred thirty million, one hundred forty-two thousand, forty-three".