1123550411 has 2 divisors, whose sum is σ = 1123550412. Its totient is φ = 1123550410.

The previous prime is 1123550401. The next prime is 1123550431. The reversal of 1123550411 is 1140553211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123550411 - 2¹⁸ = 1123288267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123550401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561775205 + 561775206.

It is an arithmetic number, because the mean of its divisors is an integer number (561775206).

Almost surely, 2^1123550411 is an apocalyptic number.

1123550411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123550411 is an equidigital number, since it uses as much as digits as its factorization.

1123550411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1123550411 is about 33519.4035000625. The cubic root of 1123550411 is about 1039.5950133574.

The spelling of 1123550411 in words is "one billion, one hundred twenty-three million, five hundred fifty thousand, four hundred eleven".