55105105111 has 8 divisors (see below), whose sum is σ = 63864267264. Its totient is φ = 46567694040.

The previous prime is 55105105103. The next prime is 55105105169. The reversal of 55105105111 is 11150150155.

55105105111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55105105111 - 2³ = 55105105103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55105105511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55437235 + ... + 55438228.

It is an arithmetic number, because the mean of its divisors is an integer number (7983033408).

Almost surely, 2^55105105111 is an apocalyptic number.

55105105111 is a deficient number, since it is larger than the sum of its proper divisors (8759162153).

55105105111 is a wasteful number, since it uses less digits than its factorization.

55105105111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110875541.

The product of its (nonzero) digits is 625, while the sum is 25.

Adding to 55105105111 its reverse (11150150155), we get a palindrome (66255255266).

The spelling of 55105105111 in words is "fifty-five billion, one hundred five million, one hundred five thousand, one hundred eleven".