305355005112 has 64 divisors (see below), whose sum is σ = 785831266080. Its totient is φ = 98805215232.

The previous prime is 305355005107. The next prime is 305355005119. The reversal of 305355005112 is 211500553503.

It is a super-2 number, since 2×305355005112² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 305355005112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305355005119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12573 + ... + 781580.

Almost surely, 2^305355005112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305355005112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392915633040).

305355005112 is an abundant number, since it is smaller than the sum of its proper divisors (480476260968).

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

305355005112 is a wasteful number, since it uses less digits than its factorization.

305355005112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794632 (or 794628 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 305355005112 its reverse (211500553503), we get a palindrome (516855558615).

The spelling of 305355005112 in words is "three hundred five billion, three hundred fifty-five million, five thousand, one hundred twelve".