1311054535340 has 96 divisors (see below), whose sum is σ = 3209360616000. Its totient is φ = 444586475520.

The previous prime is 1311054535331. The next prime is 1311054535379. The reversal of 1311054535340 is 435354501131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311054535340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1200365 + ... + 2015684.

It is an arithmetic number, because the mean of its divisors is an integer number (33430839750).

Almost surely, 2^{1311054535340} is an apocalyptic number.

1311054535340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1311054535340 is an abundant number, since it is smaller than the sum of its proper divisors (1898306080660).

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

1311054535340 is a wasteful number, since it uses less digits than its factorization.

1311054535340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216195 (or 3216193 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 1311054535340 in words is "one trillion, three hundred eleven billion, fifty-four million, five hundred thirty-five thousand, three hundred forty".