5661105045 has 32 divisors (see below), whose sum is σ = 9157204224. Its totient is φ = 2986176000.

The previous prime is 5661105029. The next prime is 5661105067. The reversal of 5661105045 is 5405011665.

It is not a de Polignac number, because 5661105045 - 2⁴ = 5661105029 is a prime.

It is a super-2 number, since 2×5661105045² = 64096220661048904050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5661104997 and 5661105015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2287929 + ... + 2290401.

It is an arithmetic number, because the mean of its divisors is an integer number (286162632).

Almost surely, 2^5661105045 is an apocalyptic number.

It is an amenable number.

5661105045 is a deficient number, since it is larger than the sum of its proper divisors (3496099179).

5661105045 is a wasteful number, since it uses less digits than its factorization.

5661105045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 5661105045 is about 75240.3152904080. The cubic root of 5661105045 is about 1782.2436300980.

The spelling of 5661105045 in words is "five billion, six hundred sixty-one million, one hundred five thousand, forty-five".