1340220155411 has 8 divisors (see below), whose sum is σ = 1341507549600. Its totient is φ = 1338932905600.

The previous prime is 1340220155387. The next prime is 1340220155437. The reversal of 1340220155411 is 1145510220431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1340220155411 - 2¹⁰ = 1340220154387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340220155011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31197995 + ... + 31240923.

It is an arithmetic number, because the mean of its divisors is an integer number (167688443700).

Almost surely, 2^{1340220155411} is an apocalyptic number.

1340220155411 is a deficient number, since it is larger than the sum of its proper divisors (1287394189).

1340220155411 is a wasteful number, since it uses less digits than its factorization.

1340220155411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72189.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 1340220155411 its reverse (1145510220431), we get a palindrome (2485730375842).

The spelling of 1340220155411 in words is "one trillion, three hundred forty billion, two hundred twenty million, one hundred fifty-five thousand, four hundred eleven".