135053221105 has 32 divisors (see below), whose sum is σ = 178728166656. Its totient is φ = 97149600000.

The previous prime is 135053221103. The next prime is 135053221129. The reversal of 135053221105 is 501122350531.

It is not a de Polignac number, because 135053221105 - 2¹ = 135053221103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135053221103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5715415 + ... + 5738995.

It is an arithmetic number, because the mean of its divisors is an integer number (5585255208).

Almost surely, 2^135053221105 is an apocalyptic number.

It is an amenable number.

135053221105 is a deficient number, since it is larger than the sum of its proper divisors (43674945551).

135053221105 is a wasteful number, since it uses less digits than its factorization.

135053221105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24729.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 135053221105 its reverse (501122350531), we get a palindrome (636175571636).

The spelling of 135053221105 in words is "one hundred thirty-five billion, fifty-three million, two hundred twenty-one thousand, one hundred five".