1213411501441 has 4 divisors (see below), whose sum is σ = 1214933975892. Its totient is φ = 1211889026992.

The previous prime is 1213411501403. The next prime is 1213411501451. The reversal of 1213411501441 is 1441051143121.

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 538163091216 + 675248410225 = 733596^2 + 821735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213411501441 - 2¹⁵ = 1213411468673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213411501451) 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, 761236030 + ... + 761237623.

It is an arithmetic number, because the mean of its divisors is an integer number (303733493973).

Almost surely, 2^{1213411501441} is an apocalyptic number.

It is an amenable number.

1213411501441 is a deficient number, since it is larger than the sum of its proper divisors (1522474451).

1213411501441 is an equidigital number, since it uses as much as digits as its factorization.

1213411501441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522474450.

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 1213411501441 its reverse (1441051143121), we get a palindrome (2654462644562).

The spelling of 1213411501441 in words is "one trillion, two hundred thirteen billion, four hundred eleven million, five hundred one thousand, four hundred forty-one".