1311643006514 has 32 divisors (see below), whose sum is σ = 1999517457024. Its totient is φ = 645185312640.

The previous prime is 1311643006489. The next prime is 1311643006523. The reversal of 1311643006514 is 4156003461131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98016104 + ... + 98029484.

It is an arithmetic number, because the mean of its divisors is an integer number (62484920532).

Almost surely, 2^{1311643006514} is an apocalyptic number.

1311643006514 is a deficient number, since it is larger than the sum of its proper divisors (687874450510).

1311643006514 is a wasteful number, since it uses less digits than its factorization.

1311643006514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15122.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 1311643006514 its reverse (4156003461131), we get a palindrome (5467646467645).

The spelling of 1311643006514 in words is "one trillion, three hundred eleven billion, six hundred forty-three million, six thousand, five hundred fourteen".