445511424511505 has 64 divisors (see below), whose sum is σ = 598362865244928. Its totient is φ = 315700751093760.

The previous prime is 445511424511501. The next prime is 445511424511511. The reversal of 445511424511505 is 505115424115544.

It is not a de Polignac number, because 445511424511505 - 2² = 445511424511501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445511424511505.

It is not an unprimeable number, because it can be changed into a prime (445511424511501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7970192717 + ... + 7970248613.

It is an arithmetic number, because the mean of its divisors is an integer number (9349419769452).

Almost surely, 2^{445511424511505} is an apocalyptic number.

It is an amenable number.

445511424511505 is a deficient number, since it is larger than the sum of its proper divisors (152851440733423).

445511424511505 is a wasteful number, since it uses less digits than its factorization.

445511424511505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79986.

The product of its (nonzero) digits is 1600000, while the sum is 47.

The spelling of 445511424511505 in words is "four hundred forty-five trillion, five hundred eleven billion, four hundred twenty-four million, five hundred eleven thousand, five hundred five".