1121465231189 has 2 divisors, whose sum is σ = 1121465231190. Its totient is φ = 1121465231188.

The previous prime is 1121465231123. The next prime is 1121465231191. The reversal of 1121465231189 is 9811325641211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 892845459025 + 228619772164 = 944905^2 + 478142^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121465231189 - 2³² = 1117170263893 is a prime.

Together with 1121465231191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121465201189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560732615594 + 560732615595.

It is an arithmetic number, because the mean of its divisors is an integer number (560732615595).

Almost surely, 2^{1121465231189} is an apocalyptic number.

It is an amenable number.

1121465231189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121465231189 is an equidigital number, since it uses as much as digits as its factorization.

1121465231189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 44.

The spelling of 1121465231189 in words is "one trillion, one hundred twenty-one billion, four hundred sixty-five million, two hundred thirty-one thousand, one hundred eighty-nine".