55011111550105 has 16 divisors (see below), whose sum is σ = 66227250345984. Its totient is φ = 43866285324480.

The previous prime is 55011111550027. The next prime is 55011111550163. The reversal of 55011111550105 is 50105511111055.

It is a de Polignac number, because none of the positive numbers 2^k-55011111550105 is a prime.

It is a super-2 number, since 2×55011111550105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 64909192 + ... + 65751238.

It is an arithmetic number, because the mean of its divisors is an integer number (4139203146624).

Almost surely, 2^{55011111550105} is an apocalyptic number.

It is an amenable number.

55011111550105 is a deficient number, since it is larger than the sum of its proper divisors (11216138795879).

55011111550105 is a wasteful number, since it uses less digits than its factorization.

55011111550105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884376.

The product of its (nonzero) digits is 3125, while the sum is 31.

The spelling of 55011111550105 in words is "fifty-five trillion, eleven billion, one hundred eleven million, five hundred fifty thousand, one hundred five".