1132121366161 has 4 divisors (see below), whose sum is σ = 1134484876800. Its totient is φ = 1129757855524.

The previous prime is 1132121366153. The next prime is 1132121366191. The reversal of 1132121366161 is 1616631212311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1132121366161 - 2³ = 1132121366153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132121366191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181754601 + ... + 1181755558.

It is an arithmetic number, because the mean of its divisors is an integer number (283621219200).

Almost surely, 2^{1132121366161} is an apocalyptic number.

It is an amenable number.

1132121366161 is a deficient number, since it is larger than the sum of its proper divisors (2363510639).

1132121366161 is an equidigital number, since it uses as much as digits as its factorization.

1132121366161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363510638.

The product of its digits is 7776, while the sum is 34.

Adding to 1132121366161 its reverse (1616631212311), we get a palindrome (2748752578472).

The spelling of 1132121366161 in words is "one trillion, one hundred thirty-two billion, one hundred twenty-one million, three hundred sixty-six thousand, one hundred sixty-one".