5561111005 has 16 divisors (see below), whose sum is σ = 7032438144. Its totient is φ = 4213316800.

The previous prime is 5561110991. The next prime is 5561111041. The reversal of 5561111005 is 5001111655.

It is not a de Polignac number, because 5561111005 - 2²¹ = 5559013853 is a prime.

It is a super-2 number, since 2×5561111005² = 61851911219864220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227779 + ... + 251008.

It is an arithmetic number, because the mean of its divisors is an integer number (439527384).

Almost surely, 2^5561111005 is an apocalyptic number.

It is an amenable number.

5561111005 is a deficient number, since it is larger than the sum of its proper divisors (1471327139).

5561111005 is a wasteful number, since it uses less digits than its factorization.

5561111005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478916.

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 5561111005 is about 74572.8570258643. The cubic root of 5561111005 is about 1771.6877732283.

The spelling of 5561111005 in words is "five billion, five hundred sixty-one million, one hundred eleven thousand, five".