1113543617 has 2 divisors, whose sum is σ = 1113543618. Its totient is φ = 1113543616.

The previous prime is 1113543491. The next prime is 1113543637. The reversal of 1113543617 is 7163453111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060414096 + 53129521 = 32564^2 + 7289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113543617 - 2¹⁸ = 1113281473 is a prime.

It is a super-2 number, since 2×1113543617² = 2479958773922885378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1113543637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556771808 + 556771809.

It is an arithmetic number, because the mean of its divisors is an integer number (556771809).

Almost surely, 2^1113543617 is an apocalyptic number.

It is an amenable number.

1113543617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113543617 is an equidigital number, since it uses as much as digits as its factorization.

1113543617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 1113543617 is about 33369.8009733352. The cubic root of 1113543617 is about 1036.4994538853.

Adding to 1113543617 its reverse (7163453111), we get a palindrome (8276996728).

The spelling of 1113543617 in words is "one billion, one hundred thirteen million, five hundred forty-three thousand, six hundred seventeen".