305405234002055 has 8 divisors (see below), whose sum is σ = 399803215420944. Its totient is φ = 222112897456000.

The previous prime is 305405234002051. The next prime is 305405234002069. The reversal of 305405234002055 is 550200432504503.

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

It is not a de Polignac number, because 305405234002055 - 2² = 305405234002051 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 (305405234002051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2776411218146 + ... + 2776411218255.

It is an arithmetic number, because the mean of its divisors is an integer number (49975401927618).

Almost surely, 2^{305405234002055} is an apocalyptic number.

305405234002055 is a deficient number, since it is larger than the sum of its proper divisors (94397981418889).

305405234002055 is a wasteful number, since it uses less digits than its factorization.

305405234002055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552822436417.

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 305405234002055 its reverse (550200432504503), we get a palindrome (855605666506558).

The spelling of 305405234002055 in words is "three hundred five trillion, four hundred five billion, two hundred thirty-four million, two thousand, fifty-five".