1311605141015 has 64 divisors (see below), whose sum is σ = 1759911753600. Its totient is φ = 932070758400.

The previous prime is 1311605140987. The next prime is 1311605141053. The reversal of 1311605141015 is 5101415061131.

It is a de Polignac number, because none of the positive numbers 2^k-1311605141015 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 288325961 + ... + 288330509.

It is an arithmetic number, because the mean of its divisors is an integer number (27498621150).

Almost surely, 2^{1311605141015} is an apocalyptic number.

1311605141015 is a deficient number, since it is larger than the sum of its proper divisors (448306612585).

1311605141015 is a wasteful number, since it uses less digits than its factorization.

1311605141015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5892.

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 1311605141015 in words is "one trillion, three hundred eleven billion, six hundred five million, one hundred forty-one thousand, fifteen".