1311450212616 has 64 divisors (see below), whose sum is σ = 3284355285120. Its totient is φ = 436386424320.

The previous prime is 1311450212609. The next prime is 1311450212627. The reversal of 1311450212616 is 6162120541131.

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, 100618836 + ... + 100631868.

It is an arithmetic number, because the mean of its divisors is an integer number (51318051330).

Almost surely, 2^{1311450212616} is an apocalyptic number.

It is an amenable number.

1311450212616 is an abundant number, since it is smaller than the sum of its proper divisors (1972905072504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311450212616 is a wasteful number, since it uses less digits than its factorization.

1311450212616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20046 (or 20042 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 1311450212616 its reverse (6162120541131), we get a palindrome (7473570753747).

The spelling of 1311450212616 in words is "one trillion, three hundred eleven billion, four hundred fifty million, two hundred twelve thousand, six hundred sixteen".