1311643046260 has 48 divisors (see below), whose sum is σ = 2899529418240. Its totient is φ = 497025175680.

The previous prime is 1311643046243. The next prime is 1311643046261. The reversal of 1311643046260 is 626403461131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311643046261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14484925 + ... + 14575195.

It is an arithmetic number, because the mean of its divisors is an integer number (60406862880).

Almost surely, 2^{1311643046260} is an apocalyptic number.

1311643046260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311643046260 is an abundant number, since it is smaller than the sum of its proper divisors (1587886371980).

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

1311643046260 is a wasteful number, since it uses less digits than its factorization.

1311643046260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128536 (or 128534 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 1311643046260 in words is "one trillion, three hundred eleven billion, six hundred forty-three million, forty-six thousand, two hundred sixty".