1123211144677 has 2 divisors, whose sum is σ = 1123211144678. Its totient is φ = 1123211144676.

The previous prime is 1123211144641. The next prime is 1123211144683. The reversal of 1123211144677 is 7764411123211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1121891929636 + 1319215041 = 1059194^2 + 36321^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123211144677 - 2²⁷ = 1123076926949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123211144177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561605572338 + 561605572339.

It is an arithmetic number, because the mean of its divisors is an integer number (561605572339).

Almost surely, 2^{1123211144677} is an apocalyptic number.

It is an amenable number.

1123211144677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123211144677 is an equidigital number, since it uses as much as digits as its factorization.

1123211144677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 40.

Adding to 1123211144677 its reverse (7764411123211), we get a palindrome (8887622267888).

The spelling of 1123211144677 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, one hundred forty-four thousand, six hundred seventy-seven".