1113552043 has 2 divisors, whose sum is σ = 1113552044. Its totient is φ = 1113552042.

The previous prime is 1113551977. The next prime is 1113552047. The reversal of 1113552043 is 3402553111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113552043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113551999 and 1113552017.

It is not a weakly prime, because it can be changed into another prime (1113552047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556776021 + 556776022.

It is an arithmetic number, because the mean of its divisors is an integer number (556776022).

Almost surely, 2^1113552043 is an apocalyptic number.

1113552043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113552043 is an equidigital number, since it uses as much as digits as its factorization.

1113552043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1113552043 is about 33369.9272249731. The cubic root of 1113552043 is about 1036.5020682186.

The spelling of 1113552043 in words is "one billion, one hundred thirteen million, five hundred fifty-two thousand, forty-three".