5550000611111 has 16 divisors (see below), whose sum is σ = 6410780808480. Its totient is φ = 4748600724480.

The previous prime is 5550000611107. The next prime is 5550000611117. The reversal of 5550000611111 is 1111160000555.

It is a cyclic number.

It is not a de Polignac number, because 5550000611111 - 2² = 5550000611107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550000611117) 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, 18912875 + ... + 19204083.

It is an arithmetic number, because the mean of its divisors is an integer number (400673800530).

Almost surely, 2^{5550000611111} is an apocalyptic number.

5550000611111 is a deficient number, since it is larger than the sum of its proper divisors (860780197369).

5550000611111 is a wasteful number, since it uses less digits than its factorization.

5550000611111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393154.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 5550000611111 its reverse (1111160000555), we get a palindrome (6661160611666).

The spelling of 5550000611111 in words is "five trillion, five hundred fifty billion, six hundred eleven thousand, one hundred eleven".