555030421111 has 4 divisors (see below), whose sum is σ = 555265905192. Its totient is φ = 554794937032.

The previous prime is 555030421091. The next prime is 555030421133. The reversal of 555030421111 is 111124030555.

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 555030421111 - 2²¹ = 555028323959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 555030421111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555030425111) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 117738505 + ... + 117743218.

It is an arithmetic number, because the mean of its divisors is an integer number (138816476298).

Almost surely, 2^555030421111 is an apocalyptic number.

555030421111 is a deficient number, since it is larger than the sum of its proper divisors (235484081).

555030421111 is a wasteful number, since it uses less digits than its factorization.

555030421111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235484080.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 555030421111 its reverse (111124030555), we get a palindrome (666154451666).

The spelling of 555030421111 in words is "five hundred fifty-five billion, thirty million, four hundred twenty-one thousand, one hundred eleven".