5561111110 has 32 divisors (see below), whose sum is σ = 10131443712. Its totient is φ = 2197561440.

The previous prime is 5561111093. The next prime is 5561111113. The reversal of 5561111110 is 111111655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561111113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437667 + ... + 450193.

It is an arithmetic number, because the mean of its divisors is an integer number (316607616).

Almost surely, 2^5561111110 is an apocalyptic number.

5561111110 is a deficient number, since it is larger than the sum of its proper divisors (4570332602).

5561111110 is a wasteful number, since it uses less digits than its factorization.

5561111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13068.

The product of its (nonzero) digits is 150, while the sum is 22.

The square root of 5561111110 is about 74572.8577298738. The cubic root of 5561111110 is about 1771.6877843788.

Adding to 5561111110 its reverse (111111655), we get a palindrome (5672222765).

The spelling of 5561111110 in words is "five billion, five hundred sixty-one million, one hundred eleven thousand, one hundred ten".