1143944155676 has 24 divisors (see below), whose sum is σ = 2294022081120. Its totient is φ = 488947401792.

The previous prime is 1143944155657. The next prime is 1143944155727. The reversal of 1143944155676 is 6765514493411.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54755171 + ... + 54776058.

It is an arithmetic number, because the mean of its divisors is an integer number (95584253380).

Almost surely, 2^{1143944155676} is an apocalyptic number.

It is an amenable number.

1143944155676 is an abundant number, since it is smaller than the sum of its proper divisors (1150077925444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143944155676 is a wasteful number, since it uses less digits than its factorization.

1143944155676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109531613 (or 109531611 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 56.

The spelling of 1143944155676 in words is "one trillion, one hundred forty-three billion, nine hundred forty-four million, one hundred fifty-five thousand, six hundred seventy-six".