305045012055 has 32 divisors (see below), whose sum is σ = 558367709184. Its totient is φ = 139306369536.

The previous prime is 305045012017. The next prime is 305045012057. The reversal of 305045012055 is 550210540503.

It is a happy number.

It is not a de Polignac number, because 305045012055 - 2¹⁰ = 305045011031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305045012057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1384207 + ... + 1589376.

It is an arithmetic number, because the mean of its divisors is an integer number (17448990912).

Almost surely, 2^305045012055 is an apocalyptic number.

305045012055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

305045012055 is a deficient number, since it is larger than the sum of its proper divisors (253322697129).

305045012055 is a wasteful number, since it uses less digits than its factorization.

305045012055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974575.

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 305045012055 its reverse (550210540503), we get a palindrome (855255552558).

The spelling of 305045012055 in words is "three hundred five billion, forty-five million, twelve thousand, fifty-five".