13205142355 has 32 divisors (see below), whose sum is σ = 16179609600. Its totient is φ = 10344972672.

The previous prime is 13205142347. The next prime is 13205142397. The reversal of 13205142355 is 55324150231.

It is a cyclic number.

It is not a de Polignac number, because 13205142355 - 2³ = 13205142347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21754462 + ... + 21755068.

It is an arithmetic number, because the mean of its divisors is an integer number (505612800).

Almost surely, 2^13205142355 is an apocalyptic number.

13205142355 is a deficient number, since it is larger than the sum of its proper divisors (2974467245).

13205142355 is a wasteful number, since it uses less digits than its factorization.

13205142355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 13205142355 its reverse (55324150231), we get a palindrome (68529292586).

The spelling of 13205142355 in words is "thirteen billion, two hundred five million, one hundred forty-two thousand, three hundred fifty-five".