55055500000111 has 16 divisors (see below), whose sum is σ = 59699380333824. Its totient is φ = 50470364116224.

The previous prime is 55055500000103. The next prime is 55055500000181. The reversal of 55055500000111 is 11100000555055.

It is not a de Polignac number, because 55055500000111 - 2³ = 55055500000103 is a prime.

It is a super-2 number, since 2×55055500000111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55055500000111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055500000181) 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, 3145951 + ... + 10954816.

It is an arithmetic number, because the mean of its divisors is an integer number (3731211270864).

Almost surely, 2^{55055500000111} is an apocalyptic number.

55055500000111 is a deficient number, since it is larger than the sum of its proper divisors (4643880333713).

55055500000111 is a wasteful number, since it uses less digits than its factorization.

55055500000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14102850.

The product of its (nonzero) digits is 3125, while the sum is 28.

Adding to 55055500000111 its reverse (11100000555055), we get a palindrome (66155500555166).

The spelling of 55055500000111 in words is "fifty-five trillion, fifty-five billion, five hundred million, one hundred eleven", and thus it is an aban number.