1011113563 has 2 divisors, whose sum is σ = 1011113564. Its totient is φ = 1011113562.

The previous prime is 1011113561. The next prime is 1011113617. The reversal of 1011113563 is 3653111101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011113563 - 2¹ = 1011113561 is a prime.

Together with 1011113561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1011113561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505556781 + 505556782.

It is an arithmetic number, because the mean of its divisors is an integer number (505556782).

Almost surely, 2^1011113563 is an apocalyptic number.

1011113563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011113563 is an equidigital number, since it uses as much as digits as its factorization.

1011113563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1011113563 is about 31798.0119347106. The cubic root of 1011113563 is about 1003.6908816330.

Adding to 1011113563 its reverse (3653111101), we get a palindrome (4664224664).

The spelling of 1011113563 in words is "one billion, eleven million, one hundred thirteen thousand, five hundred sixty-three".