1340343354111 has 8 divisors (see below), whose sum is σ = 1828685506560. Its totient is φ = 872781718872.

The previous prime is 1340343354101. The next prime is 1340343354127. The reversal of 1340343354111 is 1114533430431.

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

It is not a de Polignac number, because 1340343354111 - 2⁷ = 1340343353983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340343354101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5195129151 + ... + 5195129408.

It is an arithmetic number, because the mean of its divisors is an integer number (228585688320).

Almost surely, 2^{1340343354111} is an apocalyptic number.

1340343354111 is a deficient number, since it is larger than the sum of its proper divisors (488342152449).

1340343354111 is a wasteful number, since it uses less digits than its factorization.

1340343354111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10390258605.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 1340343354111 its reverse (1114533430431), we get a palindrome (2454876784542).

The spelling of 1340343354111 in words is "one trillion, three hundred forty billion, three hundred forty-three million, three hundred fifty-four thousand, one hundred eleven".