1113016643 has 4 divisors (see below), whose sum is σ = 1116949848. Its totient is φ = 1109083440.

The previous prime is 1113016559. The next prime is 1113016669. The reversal of 1113016643 is 3466103111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3466103111 = 18671 ⋅185641.

It is a cyclic number.

It is not a de Polignac number, because 1113016643 - 2¹⁶ = 1112951107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113010643) 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 in 3 ways as a sum of consecutive naturals, for example, 1966178 + ... + 1966743.

It is an arithmetic number, because the mean of its divisors is an integer number (279237462).

Almost surely, 2^1113016643 is an apocalyptic number.

1113016643 is a deficient number, since it is larger than the sum of its proper divisors (3933205).

1113016643 is an equidigital number, since it uses as much as digits as its factorization.

1113016643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933204.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1113016643 is about 33361.9040673640. The cubic root of 1113016643 is about 1036.3359235604.

Adding to 1113016643 its reverse (3466103111), we get a palindrome (4579119754).

The spelling of 1113016643 in words is "one billion, one hundred thirteen million, sixteen thousand, six hundred forty-three".