1361211441203 has 4 divisors (see below), whose sum is σ = 1361214138480. Its totient is φ = 1361208743928.

The previous prime is 1361211441157. The next prime is 1361211441209. The reversal of 1361211441203 is 3021441121631.

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

It is a cyclic number.

It is not a de Polignac number, because 1361211441203 - 2⁸ = 1361211440947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361211441209) 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, 340388 + ... + 1684721.

It is an arithmetic number, because the mean of its divisors is an integer number (340303534620).

Almost surely, 2^{1361211441203} is an apocalyptic number.

1361211441203 is a deficient number, since it is larger than the sum of its proper divisors (2697277).

1361211441203 is an equidigital number, since it uses as much as digits as its factorization.

1361211441203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697276.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 1361211441203 its reverse (3021441121631), we get a palindrome (4382652562834).

The spelling of 1361211441203 in words is "one trillion, three hundred sixty-one billion, two hundred eleven million, four hundred forty-one thousand, two hundred three".