445755211220005 has 4 divisors (see below), whose sum is σ = 534906253464012. Its totient is φ = 356604168976000.

The previous prime is 445755211219963. The next prime is 445755211220017. The reversal of 445755211220005 is 500022112557544.

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

It can be written as a sum of positive squares in 2 ways, for example, as 313678068699681 + 132077142520324 = 17710959^2 + 11492482^2 .

It is not a de Polignac number, because 445755211220005 - 2³⁷ = 445617772266533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44575521121996 + ... + 44575521122005.

It is an arithmetic number, because the mean of its divisors is an integer number (133726563366003).

Almost surely, 2^{445755211220005} is an apocalyptic number.

It is an amenable number.

445755211220005 is a deficient number, since it is larger than the sum of its proper divisors (89151042244007).

445755211220005 is an equidigital number, since it uses as much as digits as its factorization.

445755211220005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89151042244006.

The product of its (nonzero) digits is 560000, while the sum is 43.

Adding to 445755211220005 its reverse (500022112557544), we get a palindrome (945777323777549).

The spelling of 445755211220005 in words is "four hundred forty-five trillion, seven hundred fifty-five billion, two hundred eleven million, two hundred twenty thousand, five".