305500028003 has 4 divisors (see below), whose sum is σ = 315354867648. Its totient is φ = 295645188360.

The previous prime is 305500027969. The next prime is 305500028021. The reversal of 305500028003 is 300820005503.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 305500028003 - 2⁸ = 305500027747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305500025003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4927419776 + ... + 4927419837.

It is an arithmetic number, because the mean of its divisors is an integer number (78838716912).

Almost surely, 2^305500028003 is an apocalyptic number.

305500028003 is a deficient number, since it is larger than the sum of its proper divisors (9854839645).

305500028003 is an equidigital number, since it uses as much as digits as its factorization.

305500028003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9854839644.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 305500028003 in words is "three hundred five billion, five hundred million, twenty-eight thousand, three".