1215441203341 has 16 divisors (see below), whose sum is σ = 1298973049920. Its totient is φ = 1133281877760.

The previous prime is 1215441203311. The next prime is 1215441203377. The reversal of 1215441203341 is 1433021445121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1215441203341 - 2⁵ = 1215441203309 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 (1215441203311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552811 + ... + 1654231.

It is an arithmetic number, because the mean of its divisors is an integer number (81185815620).

Almost surely, 2^{1215441203341} is an apocalyptic number.

It is an amenable number.

1215441203341 is a deficient number, since it is larger than the sum of its proper divisors (83531846579).

1215441203341 is a wasteful number, since it uses less digits than its factorization.

1215441203341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102044.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1215441203341 its reverse (1433021445121), we get a palindrome (2648462648462).

The spelling of 1215441203341 in words is "one trillion, two hundred fifteen billion, four hundred forty-one million, two hundred three thousand, three hundred forty-one".