1113255841 has 2 divisors, whose sum is σ = 1113255842. Its totient is φ = 1113255840.

The previous prime is 1113255839. The next prime is 1113255859. The reversal of 1113255841 is 1485523111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110822241 + 2433600 = 33329^2 + 1560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113255841 - 2¹ = 1113255839 is a prime.

Together with 1113255839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1113255811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556627920 + 556627921.

It is an arithmetic number, because the mean of its divisors is an integer number (556627921).

Almost surely, 2^1113255841 is an apocalyptic number.

It is an amenable number.

1113255841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113255841 is an equidigital number, since it uses as much as digits as its factorization.

1113255841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 31.

The square root of 1113255841 is about 33365.4887720830. The cubic root of 1113255841 is about 1036.4101577676.

Adding to 1113255841 its reverse (1485523111), we get a palindrome (2598778952).

The spelling of 1113255841 in words is "one billion, one hundred thirteen million, two hundred fifty-five thousand, eight hundred forty-one".