5550061111 has 16 divisors (see below), whose sum is σ = 6816289536. Its totient is φ = 4410527616.

The previous prime is 5550061091. The next prime is 5550061141. The reversal of 5550061111 is 1111600555.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5550061111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550061141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340081 + ... + 356026.

It is an arithmetic number, because the mean of its divisors is an integer number (426018096).

Almost surely, 2^5550061111 is an apocalyptic number.

5550061111 is a deficient number, since it is larger than the sum of its proper divisors (1266228425).

5550061111 is a wasteful number, since it uses less digits than its factorization.

5550061111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696198.

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

The square root of 5550061111 is about 74498.7322778046. The cubic root of 5550061111 is about 1770.5135508564.

Adding to 5550061111 its reverse (1111600555), we get a palindrome (6661661666).

It can be divided in two parts, 55500 and 61111, that added together give a palindrome (116611).

The spelling of 5550061111 in words is "five billion, five hundred fifty million, sixty-one thousand, one hundred eleven".