1311434660534 has 8 divisors (see below), whose sum is σ = 2034984818160. Its totient is φ = 633106387816.

The previous prime is 1311434660479. The next prime is 1311434660537. The reversal of 1311434660534 is 4350664341131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1311434660491 and 1311434660500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311434660537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11305471154 + ... + 11305471269.

It is an arithmetic number, because the mean of its divisors is an integer number (254373102270).

Almost surely, 2^{1311434660534} is an apocalyptic number.

1311434660534 is a deficient number, since it is larger than the sum of its proper divisors (723550157626).

1311434660534 is a wasteful number, since it uses less digits than its factorization.

1311434660534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22610942454.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 1311434660534 in words is "one trillion, three hundred eleven billion, four hundred thirty-four million, six hundred sixty thousand, five hundred thirty-four".