340215135211 has 16 divisors (see below), whose sum is σ = 403577294848. Its totient is φ = 280646920800.

The previous prime is 340215135199. The next prime is 340215135229. The reversal of 340215135211 is 112531512043.

It is a cyclic number.

It is not a de Polignac number, because 340215135211 - 2⁵ = 340215135179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340215135211.

It is not an unprimeable number, because it can be changed into a prime (340215135251) 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, 4291695 + ... + 4370248.

It is an arithmetic number, because the mean of its divisors is an integer number (25223580928).

Almost surely, 2^340215135211 is an apocalyptic number.

340215135211 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

340215135211 is a deficient number, since it is larger than the sum of its proper divisors (63362159637).

340215135211 is a wasteful number, since it uses less digits than its factorization.

340215135211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8662162.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 340215135211 its reverse (112531512043), we get a palindrome (452746647254).

The spelling of 340215135211 in words is "three hundred forty billion, two hundred fifteen million, one hundred thirty-five thousand, two hundred eleven".