1061111563 has 8 divisors (see below), whose sum is σ = 1120280720. Its totient is φ = 1002274560.

The previous prime is 1061111561. The next prime is 1061111603. The reversal of 1061111563 is 3651111601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1061111563 - 2¹ = 1061111561 is a prime.

It is a super-2 number, since 2×1061111563² = 2251915498264605938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061111561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76458 + ... + 89263.

It is an arithmetic number, because the mean of its divisors is an integer number (140035090).

Almost surely, 2^1061111563 is an apocalyptic number.

1061111563 is a deficient number, since it is larger than the sum of its proper divisors (59169157).

1061111563 is a wasteful number, since it uses less digits than its factorization.

1061111563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166077.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 1061111563 is about 32574.7074123468. The cubic root of 1061111563 is about 1019.9691016528.

The spelling of 1061111563 in words is "one billion, sixty-one million, one hundred eleven thousand, five hundred sixty-three".