111060561 has 8 divisors (see below), whose sum is σ = 148145184. Its totient is φ = 74008160.

The previous prime is 111060553. The next prime is 111060563. The reversal of 111060561 is 165060111.

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 111060561 - 2³ = 111060553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111060563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666 + ... + 14996.

It is an arithmetic number, because the mean of its divisors is an integer number (18518148).

Almost surely, 2^111060561 is an apocalyptic number.

It is an amenable number.

111060561 is a deficient number, since it is larger than the sum of its proper divisors (37084623).

111060561 is a wasteful number, since it uses less digits than its factorization.

111060561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16111.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 111060561 is about 10538.5274588056. The cubic root of 111060561 is about 480.6769398341.

The spelling of 111060561 in words is "one hundred eleven million, sixty thousand, five hundred sixty-one".