1123362511 has 2 divisors, whose sum is σ = 1123362512. Its totient is φ = 1123362510.

The previous prime is 1123362509. The next prime is 1123362551. The reversal of 1123362511 is 1152633211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123362511 - 2¹ = 1123362509 is a prime.

It is a super-2 number, since 2×1123362511² = 2523886662240450242, which contains 22 as substring.

Together with 1123362509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123362551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561681255 + 561681256.

It is an arithmetic number, because the mean of its divisors is an integer number (561681256).

Almost surely, 2^1123362511 is an apocalyptic number.

1123362511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123362511 is an equidigital number, since it uses as much as digits as its factorization.

1123362511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 1123362511 is about 33516.6005286932. The cubic root of 1123362511 is about 1039.5370569627.

Adding to 1123362511 its reverse (1152633211), we get a palindrome (2275995722).

The spelling of 1123362511 in words is "one billion, one hundred twenty-three million, three hundred sixty-two thousand, five hundred eleven".