1176223555161 has 24 divisors (see below), whose sum is σ = 1704091948416. Its totient is φ = 781795452960.

The previous prime is 1176223555109. The next prime is 1176223555187. The reversal of 1176223555161 is 1615553226711.

1176223555161 is a `hidden beast` number, since 1 + 1 + 7 + 6 + 2 + 2 + 35 + 551 + 61 = 666.

It is not a de Polignac number, because 1176223555161 - 2⁶ = 1176223555097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1176223555061) 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, 10697776 + ... + 10807166.

It is an arithmetic number, because the mean of its divisors is an integer number (71003831184).

Almost surely, 2^{1176223555161} is an apocalyptic number.

It is an amenable number.

1176223555161 is a deficient number, since it is larger than the sum of its proper divisors (527868393255).

1176223555161 is a wasteful number, since it uses less digits than its factorization.

1176223555161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112973 (or 112970 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The spelling of 1176223555161 in words is "one trillion, one hundred seventy-six billion, two hundred twenty-three million, five hundred fifty-five thousand, one hundred sixty-one".