1311411332215 has 4 divisors (see below), whose sum is σ = 1573693598664. Its totient is φ = 1049129065768.

The previous prime is 1311411332137. The next prime is 1311411332233. The reversal of 1311411332215 is 5122331141131.

It is a happy number.

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 1311411332215 - 2³³ = 1302821397623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131141133217 + ... + 131141133226.

It is an arithmetic number, because the mean of its divisors is an integer number (393423399666).

Almost surely, 2^{1311411332215} is an apocalyptic number.

1311411332215 is a deficient number, since it is larger than the sum of its proper divisors (262282266449).

1311411332215 is an equidigital number, since it uses as much as digits as its factorization.

1311411332215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262282266448.

The product of its digits is 2160, while the sum is 28.

Adding to 1311411332215 its reverse (5122331141131), we get a palindrome (6433742473346).

The spelling of 1311411332215 in words is "one trillion, three hundred eleven billion, four hundred eleven million, three hundred thirty-two thousand, two hundred fifteen".