1111255441 has 2 divisors, whose sum is σ = 1111255442. Its totient is φ = 1111255440.

The previous prime is 1111255403. The next prime is 1111255463. The reversal of 1111255441 is 1445521111.

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., 1107491841 + 3763600 = 33279^2 + 1940^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111255441 - 2²⁷ = 977037713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111258441) 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, 555627720 + 555627721.

It is an arithmetic number, because the mean of its divisors is an integer number (555627721).

Almost surely, 2^1111255441 is an apocalyptic number.

It is an amenable number.

1111255441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111255441 is an equidigital number, since it uses as much as digits as its factorization.

1111255441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 800, while the sum is 25.

The square root of 1111255441 is about 33335.4982113662. The cubic root of 1111255441 is about 1035.7890133618.

Adding to 1111255441 its reverse (1445521111), we get a palindrome (2556776552).

The spelling of 1111255441 in words is "one billion, one hundred eleven million, two hundred fifty-five thousand, four hundred forty-one".