1068111563 has 4 divisors (see below), whose sum is σ = 1068204768. Its totient is φ = 1068018360.

The previous prime is 1068111553. The next prime is 1068111587. The reversal of 1068111563 is 3651118601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1068111563 - 2⁸ = 1068111307 is a prime.

It is a super-2 number, since 2×1068111563² = 2281724622028605938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068111503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26531 + ... + 53292.

It is an arithmetic number, because the mean of its divisors is an integer number (267051192).

Almost surely, 2^1068111563 is an apocalyptic number.

1068111563 is a deficient number, since it is larger than the sum of its proper divisors (93205).

1068111563 is an equidigital number, since it uses as much as digits as its factorization.

1068111563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93204.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1068111563 is about 32681.9761183439. The cubic root of 1068111563 is about 1022.2070507388.

The spelling of 1068111563 in words is "one billion, sixty-eight million, one hundred eleven thousand, five hundred sixty-three".