305055111252 has 24 divisors (see below), whose sum is σ = 712334127232. Its totient is φ = 101608056000.

The previous prime is 305055111241. The next prime is 305055111349. The reversal of 305055111252 is 252111550503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9606124 + ... + 9637827.

Almost surely, 2^305055111252 is an apocalyptic number.

It is an amenable number.

305055111252 is an abundant number, since it is smaller than the sum of its proper divisors (407279015980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305055111252 is a wasteful number, since it uses less digits than its factorization.

305055111252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19245279 (or 19245277 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

Adding to 305055111252 its reverse (252111550503), we get a palindrome (557166661755).

The spelling of 305055111252 in words is "three hundred five billion, fifty-five million, one hundred eleven thousand, two hundred fifty-two".