13200242134455 has 24 divisors (see below), whose sum is σ = 23006830872480. Its totient is φ = 7001233392960.

The previous prime is 13200242134451. The next prime is 13200242134517. The reversal of 13200242134455 is 55443124200231.

It is a happy number.

13200242134455 is a `hidden beast` number, since 1 + 3 + 20 + 0 + 242 + 1 + 344 + 55 = 666.

It is not a de Polignac number, because 13200242134455 - 2² = 13200242134451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200242134451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 810319795 + ... + 810336084.

It is an arithmetic number, because the mean of its divisors is an integer number (958617953020).

Almost surely, 2^{13200242134455} is an apocalyptic number.

13200242134455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13200242134455 is a deficient number, since it is larger than the sum of its proper divisors (9806588738025).

13200242134455 is a wasteful number, since it uses less digits than its factorization.

13200242134455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620656071 (or 1620656068 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 13200242134455 its reverse (55443124200231), we get a palindrome (68643366334686).

The spelling of 13200242134455 in words is "thirteen trillion, two hundred billion, two hundred forty-two million, one hundred thirty-four thousand, four hundred fifty-five".