55005105061111 has 4 divisors (see below), whose sum is σ = 55005121584424. Its totient is φ = 55005088537800.

The previous prime is 55005105061091. The next prime is 55005105061147. The reversal of 55005105061111 is 11116050150055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55005105061111 - 2²⁹ = 55004568190199 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 (55005105062111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329225 + ... + 10572466.

It is an arithmetic number, because the mean of its divisors is an integer number (13751280396106).

Almost surely, 2^{55005105061111} is an apocalyptic number.

55005105061111 is a deficient number, since it is larger than the sum of its proper divisors (16523313).

55005105061111 is a wasteful number, since it uses less digits than its factorization.

55005105061111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16523312.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 55005105061111 in words is "fifty-five trillion, five billion, one hundred five million, sixty-one thousand, one hundred eleven".