1005223151441 has 4 divisors (see below), whose sum is σ = 1006465702500. Its totient is φ = 1003980600384.

The previous prime is 1005223151419. The next prime is 1005223151503. The reversal of 1005223151441 is 1441513225001.

It is a happy number.

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 900418801216 + 104804350225 = 948904^2 + 323735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005223151441 - 2¹⁰ = 1005223150417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005223151411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621274316 + ... + 621275933.

It is an arithmetic number, because the mean of its divisors is an integer number (251616425625).

Almost surely, 2^{1005223151441} is an apocalyptic number.

It is an amenable number.

1005223151441 is a deficient number, since it is larger than the sum of its proper divisors (1242551059).

1005223151441 is an equidigital number, since it uses as much as digits as its factorization.

1005223151441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242551058.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 1005223151441 its reverse (1441513225001), we get a palindrome (2446736376442).

The spelling of 1005223151441 in words is "one trillion, five billion, two hundred twenty-three million, one hundred fifty-one thousand, four hundred forty-one".