13235205521001 has 8 divisors (see below), whose sum is σ = 17646968512800. Its totient is φ = 8823456438272.

The previous prime is 13235205520907. The next prime is 13235205521003. The reversal of 13235205521001 is 10012550253231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13235205521001 - 2²³ = 13235197132393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13235205521001.

It is not an unprimeable number, because it can be changed into a prime (13235205521003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006095 + ... + 5242388.

It is an arithmetic number, because the mean of its divisors is an integer number (2205871064100).

Almost surely, 2^{13235205521001} is an apocalyptic number.

It is an amenable number.

13235205521001 is a deficient number, since it is larger than the sum of its proper divisors (4411762991799).

13235205521001 is an equidigital number, since it uses as much as digits as its factorization.

13235205521001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954535.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 13235205521001 its reverse (10012550253231), we get a palindrome (23247755774232).

The spelling of 13235205521001 in words is "thirteen trillion, two hundred thirty-five billion, two hundred five million, five hundred twenty-one thousand, one".