1311450212615 has 8 divisors (see below), whose sum is σ = 1575266682528. Its totient is φ = 1048142551840.

The previous prime is 1311450212609. The next prime is 1311450212627. The reversal of 1311450212615 is 5162120541131.

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

It is not a de Polignac number, because 1311450212615 - 2¹⁸ = 1311449950471 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 7 ways as a sum of consecutive naturals, for example, 127196612 + ... + 127206921.

It is an arithmetic number, because the mean of its divisors is an integer number (196908335316).

Almost surely, 2^{1311450212615} is an apocalyptic number.

1311450212615 is a deficient number, since it is larger than the sum of its proper divisors (263816469913).

1311450212615 is a wasteful number, since it uses less digits than its factorization.

1311450212615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254404569.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 1311450212615 its reverse (5162120541131), we get a palindrome (6473570753746).

The spelling of 1311450212615 in words is "one trillion, three hundred eleven billion, four hundred fifty million, two hundred twelve thousand, six hundred fifteen".