1123552443469 has 2 divisors, whose sum is σ = 1123552443470. Its totient is φ = 1123552443468.

The previous prime is 1123552443449. The next prime is 1123552443521. The reversal of 1123552443469 is 9643442553211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1066390806244 + 57161637225 = 1032662^2 + 239085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123552443469 - 2⁷ = 1123552443341 is a prime.

It is a super-2 number, since 2×1123552443469² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123552443449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561776221734 + 561776221735.

It is an arithmetic number, because the mean of its divisors is an integer number (561776221735).

Almost surely, 2^{1123552443469} is an apocalyptic number.

It is an amenable number.

1123552443469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123552443469 is an equidigital number, since it uses as much as digits as its factorization.

1123552443469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 49.

The spelling of 1123552443469 in words is "one trillion, one hundred twenty-three billion, five hundred fifty-two million, four hundred forty-three thousand, four hundred sixty-nine".