13224432550001 has 4 divisors (see below), whose sum is σ = 13237968305892. Its totient is φ = 13210896794112.

The previous prime is 13224432549973. The next prime is 13224432550009. The reversal of 13224432550001 is 10005523442231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11020540878400 + 2203891671601 = 3319720^2 + 1484551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13224432550001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13224432550001.

It is not an unprimeable number, because it can be changed into a prime (13224432550009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6767876480 + ... + 6767878433.

It is an arithmetic number, because the mean of its divisors is an integer number (3309492076473).

Almost surely, 2^{13224432550001} is an apocalyptic number.

It is an amenable number.

13224432550001 is a deficient number, since it is larger than the sum of its proper divisors (13535755891).

13224432550001 is an equidigital number, since it uses as much as digits as its factorization.

13224432550001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13535755890.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 13224432550001 its reverse (10005523442231), we get a palindrome (23229955992232).

The spelling of 13224432550001 in words is "thirteen trillion, two hundred twenty-four billion, four hundred thirty-two million, five hundred fifty thousand, one".