1340420152211 has 16 divisors (see below), whose sum is σ = 1584775895040. Its totient is φ = 1109283332640.

The previous prime is 1340420152207. The next prime is 1340420152213. The reversal of 1340420152211 is 1122510240431.

It is a happy number.

It is not a de Polignac number, because 1340420152211 - 2² = 1340420152207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340420152213) 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 15 ways as a sum of consecutive naturals, for example, 10640966 + ... + 10766196.

It is an arithmetic number, because the mean of its divisors is an integer number (99048493440).

Almost surely, 2^{1340420152211} is an apocalyptic number.

1340420152211 is a deficient number, since it is larger than the sum of its proper divisors (244355742829).

1340420152211 is a wasteful number, since it uses less digits than its factorization.

1340420152211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177994.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1340420152211 its reverse (1122510240431), we get a palindrome (2462930392642).

The spelling of 1340420152211 in words is "one trillion, three hundred forty billion, four hundred twenty million, one hundred fifty-two thousand, two hundred eleven".