55111060001 has 4 divisors (see below), whose sum is σ = 55315934100. Its totient is φ = 54906185904.

The previous prime is 55111059973. The next prime is 55111060019. The reversal of 55111060001 is 10006011155.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14381765776 + 40729294225 = 119924^2 + 201815^2 .

It is a cyclic number.

It is not a de Polignac number, because 55111060001 - 2¹⁸ = 55110797857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55111060031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102436646 + ... + 102437183.

It is an arithmetic number, because the mean of its divisors is an integer number (13828983525).

Almost surely, 2^55111060001 is an apocalyptic number.

It is an amenable number.

55111060001 is a deficient number, since it is larger than the sum of its proper divisors (204874099).

55111060001 is a wasteful number, since it uses less digits than its factorization.

55111060001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204874098.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 55111060001 its reverse (10006011155), we get a palindrome (65117071156).

The spelling of 55111060001 in words is "fifty-five billion, one hundred eleven million, sixty thousand, one".