1215403411133 has 8 divisors (see below), whose sum is σ = 1269135822528. Its totient is φ = 1161745065184.

The previous prime is 1215403411127. The next prime is 1215403411177. The reversal of 1215403411133 is 3311143045121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1215403411133 - 2⁸ = 1215403410877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1215403411096 and 1215403411105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215403411333) 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 7 ways as a sum of consecutive naturals, for example, 18482816 + ... + 18548457.

It is an arithmetic number, because the mean of its divisors is an integer number (158641977816).

Almost surely, 2^{1215403411133} is an apocalyptic number.

It is an amenable number.

1215403411133 is a deficient number, since it is larger than the sum of its proper divisors (53732411395).

1215403411133 is a wasteful number, since it uses less digits than its factorization.

1215403411133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37032723.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 1215403411133 its reverse (3311143045121), we get a palindrome (4526546456254).

The spelling of 1215403411133 in words is "one trillion, two hundred fifteen billion, four hundred three million, four hundred eleven thousand, one hundred thirty-three".