1123234620511 has 2 divisors, whose sum is σ = 1123234620512. Its totient is φ = 1123234620510.

The previous prime is 1123234620451. The next prime is 1123234620551. The reversal of 1123234620511 is 1150264323211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123234620511 - 2¹⁹ = 1123234096223 is a prime.

It is a super-2 number, since 2×1123234620511² (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 (1123234620551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561617310255 + 561617310256.

It is an arithmetic number, because the mean of its divisors is an integer number (561617310256).

Almost surely, 2^{1123234620511} is an apocalyptic number.

1123234620511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123234620511 is an equidigital number, since it uses as much as digits as its factorization.

1123234620511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 1123234620511 its reverse (1150264323211), we get a palindrome (2273498943722).

The spelling of 1123234620511 in words is "one trillion, one hundred twenty-three billion, two hundred thirty-four million, six hundred twenty thousand, five hundred eleven".