1143435554972 has 12 divisors (see below), whose sum is σ = 2001020649936. Its totient is φ = 571715369280.

The previous prime is 1143435554957. The next prime is 1143435555019. The reversal of 1143435554972 is 2794555343411.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 861668 + ... + 1740500.

It is an arithmetic number, because the mean of its divisors is an integer number (166751720828).

Almost surely, 2^{1143435554972} is an apocalyptic number.

It is an amenable number.

1143435554972 is a deficient number, since it is larger than the sum of its proper divisors (857585094964).

1143435554972 is a wasteful number, since it uses less digits than its factorization.

1143435554972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204108 (or 1204106 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 53.

The spelling of 1143435554972 in words is "one trillion, one hundred forty-three billion, four hundred thirty-five million, five hundred fifty-four thousand, nine hundred seventy-two".