135604115553 has 16 divisors (see below), whose sum is σ = 188682439680. Its totient is φ = 86464927824.

The previous prime is 135604115539. The next prime is 135604115587. The reversal of 135604115553 is 355511406531.

It is not a de Polignac number, because 135604115553 - 2²⁸ = 135335680097 is a prime.

It is a super-2 number, since 2×135604115553² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135604115503) 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 15 ways as a sum of consecutive naturals, for example, 815350 + ... + 967472.

It is an arithmetic number, because the mean of its divisors is an integer number (11792652480).

Almost surely, 2^135604115553 is an apocalyptic number.

It is an amenable number.

135604115553 is a deficient number, since it is larger than the sum of its proper divisors (53078324127).

135604115553 is a wasteful number, since it uses less digits than its factorization.

135604115553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165068.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 135604115553 in words is "one hundred thirty-five billion, six hundred four million, one hundred fifteen thousand, five hundred fifty-three".