445541113425025 has 6 divisors (see below), whose sum is σ = 552470980647062. Its totient is φ = 356432890740000.

The previous prime is 445541113424971. The next prime is 445541113425061. The reversal of 445541113425025 is 520524311145544.

It can be written as a sum of positive squares in 3 ways, for example, as 70326857704321 + 375214255720704 = 8386111^2 + 19370448^2 .

It is a de Polignac number, because none of the positive numbers 2^k-445541113425025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8910822268476 + ... + 8910822268525.

Almost surely, 2^{445541113425025} is an apocalyptic number.

It is an amenable number.

445541113425025 is a deficient number, since it is larger than the sum of its proper divisors (106929867222037).

445541113425025 is a wasteful number, since it uses less digits than its factorization.

445541113425025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17821644537011 (or 17821644537006 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 46.

The spelling of 445541113425025 in words is "four hundred forty-five trillion, five hundred forty-one billion, one hundred thirteen million, four hundred twenty-five thousand, twenty-five".