55505110111 has 8 divisors (see below), whose sum is σ = 63183682944. Its totient is φ = 48265312920.

The previous prime is 55505110099. The next prime is 55505110123. The reversal of 55505110111 is 11101150555.

It is an interprime number because it is at equal distance from previous prime (55505110099) and next prime (55505110123).

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

It is not a de Polignac number, because 55505110111 - 2¹⁵ = 55505077343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505110411) 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, 109693641 + ... + 109694146.

It is an arithmetic number, because the mean of its divisors is an integer number (7897960368).

Almost surely, 2^55505110111 is an apocalyptic number.

55505110111 is a deficient number, since it is larger than the sum of its proper divisors (7678572833).

55505110111 is a wasteful number, since it uses less digits than its factorization.

55505110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219387821.

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

Adding to 55505110111 its reverse (11101150555), we get a palindrome (66606260666).

The spelling of 55505110111 in words is "fifty-five billion, five hundred five million, one hundred ten thousand, one hundred eleven".