305005305055 has 8 divisors (see below), whose sum is σ = 399279672144. Its totient is φ = 221822040000.

The previous prime is 305005305049. The next prime is 305005305071. The reversal of 305005305055 is 550503500503.

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

It is not a de Polignac number, because 305005305055 - 2⁷ = 305005304927 is a prime.

It is a super-2 number, since 2×305005305055² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2772775446 + ... + 2772775555.

It is an arithmetic number, because the mean of its divisors is an integer number (49909959018).

Almost surely, 2^305005305055 is an apocalyptic number.

305005305055 is a deficient number, since it is larger than the sum of its proper divisors (94274367089).

305005305055 is a wasteful number, since it uses less digits than its factorization.

305005305055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545551017.

The product of its (nonzero) digits is 28125, while the sum is 31.

Adding to 305005305055 its reverse (550503500503), we get a palindrome (855508805558).

The spelling of 305005305055 in words is "three hundred five billion, five million, three hundred five thousand, fifty-five".