135563133255 has 32 divisors (see below), whose sum is σ = 239951973888. Its totient is φ = 64801833600.

The previous prime is 135563133241. The next prime is 135563133259. The reversal of 135563133255 is 552331365531.

It is not a de Polignac number, because 135563133255 - 2⁶ = 135563133191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135563133259) 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, 5774164 + ... + 5797593.

It is an arithmetic number, because the mean of its divisors is an integer number (7498499184).

Almost surely, 2^135563133255 is an apocalyptic number.

135563133255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135563133255 is a deficient number, since it is larger than the sum of its proper divisors (104388840633).

135563133255 is a wasteful number, since it uses less digits than its factorization.

135563133255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11571847.

The product of its digits is 607500, while the sum is 42.

Adding to 135563133255 its reverse (552331365531), we get a palindrome (687894498786).

The spelling of 135563133255 in words is "one hundred thirty-five billion, five hundred sixty-three million, one hundred thirty-three thousand, two hundred fifty-five".