1113255529 has 2 divisors, whose sum is σ = 1113255530. Its totient is φ = 1113255528.

The previous prime is 1113255497. The next prime is 1113255541. The reversal of 1113255529 is 9255523111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 972192400 + 141063129 = 31180^2 + 11877^2 .

It is an emirp because it is prime and its reverse (9255523111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113255529 - 2⁵ = 1113255497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113255494 and 1113255503.

It is not a weakly prime, because it can be changed into another prime (1113255569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556627764 + 556627765.

It is an arithmetic number, because the mean of its divisors is an integer number (556627765).

Almost surely, 2^1113255529 is an apocalyptic number.

It is an amenable number.

1113255529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113255529 is an equidigital number, since it uses as much as digits as its factorization.

1113255529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 34.

The square root of 1113255529 is about 33365.4840965930. The cubic root of 1113255529 is about 1036.4100609465.

The spelling of 1113255529 in words is "one billion, one hundred thirteen million, two hundred fifty-five thousand, five hundred twenty-nine".