1114781563 has 4 divisors (see below), whose sum is σ = 1274036080. Its totient is φ = 955527048.

The previous prime is 1114781557. The next prime is 1114781581. The reversal of 1114781563 is 3651874111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1114781563 - 2²⁹ = 577910651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1114781593) 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 in 3 ways as a sum of consecutive naturals, for example, 79627248 + ... + 79627261.

It is an arithmetic number, because the mean of its divisors is an integer number (318509020).

Almost surely, 2^1114781563 is an apocalyptic number.

1114781563 is a deficient number, since it is larger than the sum of its proper divisors (159254517).

1114781563 is an equidigital number, since it uses as much as digits as its factorization.

1114781563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159254516.

The product of its digits is 20160, while the sum is 37.

The square root of 1114781563 is about 33388.3447178802. The cubic root of 1114781563 is about 1036.8834098537.

The spelling of 1114781563 in words is "one billion, one hundred fourteen million, seven hundred eighty-one thousand, five hundred sixty-three".