1125111583 has 2 divisors, whose sum is σ = 1125111584. Its totient is φ = 1125111582.

The previous prime is 1125111571. The next prime is 1125111623. The reversal of 1125111583 is 3851115211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1125111583 - 2¹⁷ = 1124980511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125111523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562555791 + 562555792.

It is an arithmetic number, because the mean of its divisors is an integer number (562555792).

Almost surely, 2^1125111583 is an apocalyptic number.

1125111583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125111583 is an equidigital number, since it uses as much as digits as its factorization.

1125111583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 28.

The square root of 1125111583 is about 33542.6830024075. The cubic root of 1125111583 is about 1040.0762958697.

Adding to 1125111583 its reverse (3851115211), we get a palindrome (4976226794).

The spelling of 1125111583 in words is "one billion, one hundred twenty-five million, one hundred eleven thousand, five hundred eighty-three".