305056425125 has 8 divisors (see below), whose sum is σ = 380710418712. Its totient is φ = 244045140000.

The previous prime is 305056425049. The next prime is 305056425143. The reversal of 305056425125 is 521524650503.

It can be written as a sum of positive squares in 4 ways, for example, as 2444214721 + 302612210404 = 49439^2 + 550102^2 .

It is a de Polignac number, because none of the positive numbers 2^k-305056425125 is a prime.

It is a super-3 number, since 3×305056425125³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220225576 + ... + 1220225825.

It is an arithmetic number, because the mean of its divisors is an integer number (47588802339).

Almost surely, 2^305056425125 is an apocalyptic number.

It is an amenable number.

305056425125 is a deficient number, since it is larger than the sum of its proper divisors (75653993587).

305056425125 is an equidigital number, since it uses as much as digits as its factorization.

305056425125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440451416 (or 2440451406 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 305056425125 in words is "three hundred five billion, fifty-six million, four hundred twenty-five thousand, one hundred twenty-five".