1011432442143 has 16 divisors (see below), whose sum is σ = 1380289147776. Its totient is φ = 658439977440.

The previous prime is 1011432442129. The next prime is 1011432442171. The reversal of 1011432442143 is 3412442341101.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1011432442143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1011432442143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011432442103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484068 + ... + 1502393.

It is an arithmetic number, because the mean of its divisors is an integer number (86268071736).

Almost surely, 2^{1011432442143} is an apocalyptic number.

1011432442143 is a deficient number, since it is larger than the sum of its proper divisors (368856705633).

1011432442143 is a wasteful number, since it uses less digits than its factorization.

1011432442143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990454.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1011432442143 its reverse (3412442341101), we get a palindrome (4423874783244).

The spelling of 1011432442143 in words is "one trillion, eleven billion, four hundred thirty-two million, four hundred forty-two thousand, one hundred forty-three".