601105561 has 8 divisors (see below), whose sum is σ = 688392320. Its totient is φ = 514172448.

The previous prime is 601105553. The next prime is 601105619. The reversal of 601105561 is 165501106.

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 601105561 - 2³ = 601105553 is a prime.

It is a super-2 number, since 2×601105561² = 722655790930249442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (601105501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84756 + ... + 91573.

It is an arithmetic number, because the mean of its divisors is an integer number (86049040).

Almost surely, 2^601105561 is an apocalyptic number.

It is an amenable number.

601105561 is a deficient number, since it is larger than the sum of its proper divisors (87286759).

601105561 is a wasteful number, since it uses less digits than its factorization.

601105561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176823.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 601105561 is about 24517.4542112349. The cubic root of 601105561 is about 843.9503842602.

Adding to 601105561 its reverse (165501106), we get a palindrome (766606667).

The spelling of 601105561 in words is "six hundred one million, one hundred five thousand, five hundred sixty-one".