1166352055143 has 24 divisors (see below), whose sum is σ = 1734877382784. Its totient is φ = 696329570640.

The previous prime is 1166352055093. The next prime is 1166352055147. The reversal of 1166352055143 is 3415502536611.

It is a happy number.

It is not a de Polignac number, because 1166352055143 - 2⁶ = 1166352055079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1166352055095 and 1166352055104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166352055147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23953971 + ... + 24002612.

It is an arithmetic number, because the mean of its divisors is an integer number (72286557616).

Almost surely, 2^{1166352055143} is an apocalyptic number.

1166352055143 is a deficient number, since it is larger than the sum of its proper divisors (568525327641).

1166352055143 is a wasteful number, since it uses less digits than its factorization.

1166352055143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47956675 (or 47956664 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 1166352055143 in words is "one trillion, one hundred sixty-six billion, three hundred fifty-two million, fifty-five thousand, one hundred forty-three".