1225543041413 has 4 divisors (see below), whose sum is σ = 1255434335148. Its totient is φ = 1195651747680.

The previous prime is 1225543041361. The next prime is 1225543041451. The reversal of 1225543041413 is 3141403455221.

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 500836459204 + 724706582209 = 707698^2 + 851297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1225543041413 - 2¹⁴ = 1225543025029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225543041473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14945646806 + ... + 14945646887.

It is an arithmetic number, because the mean of its divisors is an integer number (313858583787).

Almost surely, 2^{1225543041413} is an apocalyptic number.

It is an amenable number.

1225543041413 is a deficient number, since it is larger than the sum of its proper divisors (29891293735).

1225543041413 is an equidigital number, since it uses as much as digits as its factorization.

1225543041413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29891293734.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 1225543041413 its reverse (3141403455221), we get a palindrome (4366946496634).

The spelling of 1225543041413 in words is "one trillion, two hundred twenty-five billion, five hundred forty-three million, forty-one thousand, four hundred thirteen".