13201424423505 has 64 divisors (see below), whose sum is σ = 25334068032000. Its totient is φ = 6502410706176.

The previous prime is 13201424423503. The next prime is 13201424423587. The reversal of 13201424423505 is 50532442410231.

It is a happy number.

13201424423505 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 142 + 4 + 4 + 2 + 3 + 505 = 666.

It is not a de Polignac number, because 13201424423505 - 2¹ = 13201424423503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13201424423505.

It is not an unprimeable number, because it can be changed into a prime (13201424423503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73214550 + ... + 73394639.

It is an arithmetic number, because the mean of its divisors is an integer number (395844813000).

Almost surely, 2^{13201424423505} is an apocalyptic number.

13201424423505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13201424423505 is a deficient number, since it is larger than the sum of its proper divisors (12132643608495).

13201424423505 is a wasteful number, since it uses less digits than its factorization.

13201424423505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146609255 (or 146609249 counting only the distinct ones).

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

Adding to 13201424423505 its reverse (50532442410231), we get a palindrome (63733866833736).

The spelling of 13201424423505 in words is "thirteen trillion, two hundred one billion, four hundred twenty-four million, four hundred twenty-three thousand, five hundred five".