561011106 has 8 divisors (see below), whose sum is σ = 1122022224. Its totient is φ = 187003700.

The previous prime is 561011069. The next prime is 561011107. The reversal of 561011106 is 601110165.

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

561011106 is an admirable number.

It is a super-2 number, since 2×561011106² = 629466922110686472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (561011107) 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, 46750920 + ... + 46750931.

It is an arithmetic number, because the mean of its divisors is an integer number (140252778).

Almost surely, 2^561011106 is an apocalyptic number.

561011106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561011106 is a wasteful number, since it uses less digits than its factorization.

561011106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93501856.

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

The square root of 561011106 is about 23685.6730113375. The cubic root of 561011106 is about 824.7528398271.

The spelling of 561011106 in words is "five hundred sixty-one million, eleven thousand, one hundred six".