135045122211 has 20 divisors (see below), whose sum is σ = 201767344152. Its totient is φ = 90015232608.

The previous prime is 135045122197. The next prime is 135045122227. The reversal of 135045122211 is 112221540531.

It is a happy number.

135045122211 is a `hidden beast` number, since 13 + 504 + 5 + 122 + 21 + 1 = 666.

It is not a de Polignac number, because 135045122211 - 2¹⁰ = 135045121187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (135045124211) 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 19 ways as a sum of consecutive naturals, for example, 368055 + ... + 636831.

Almost surely, 2^135045122211 is an apocalyptic number.

135045122211 is a deficient number, since it is larger than the sum of its proper divisors (66722221941).

135045122211 is an equidigital number, since it uses as much as digits as its factorization.

135045122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274992 (or 274983 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 135045122211 its reverse (112221540531), we get a palindrome (247266662742).

The spelling of 135045122211 in words is "one hundred thirty-five billion, forty-five million, one hundred twenty-two thousand, two hundred eleven".