1143532455656 has 16 divisors (see below), whose sum is σ = 2144679893700. Its totient is φ = 571617817344.

The previous prime is 1143532455631. The next prime is 1143532455673. The reversal of 1143532455656 is 6565542353411.

It can be written as a sum of positive squares in 2 ways, for example, as 1032796582756 + 110735872900 = 1016266^2 + 332770^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18518561 + ... + 18580208.

Almost surely, 2^{1143532455656} is an apocalyptic number.

It is an amenable number.

1143532455656 is a deficient number, since it is larger than the sum of its proper divisors (1001147438044).

1143532455656 is a wasteful number, since it uses less digits than its factorization.

1143532455656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37102628 (or 37102624 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 50.

The spelling of 1143532455656 in words is "one trillion, one hundred forty-three billion, five hundred thirty-two million, four hundred fifty-five thousand, six hundred fifty-six".