13550113423021 has 8 divisors (see below), whose sum is σ = 16019838529920. Its totient is φ = 11213886970608.

The previous prime is 13550113422977. The next prime is 13550113423043. The reversal of 13550113423021 is 12032431105531.

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

It is not a de Polignac number, because 13550113423021 - 2⁹ = 13550113422509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13550113423061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33374663401 + ... + 33374663806.

It is an arithmetic number, because the mean of its divisors is an integer number (2002479816240).

Almost surely, 2^{13550113423021} is an apocalyptic number.

It is an amenable number.

13550113423021 is a deficient number, since it is larger than the sum of its proper divisors (2469725106899).

13550113423021 is an equidigital number, since it uses as much as digits as its factorization.

13550113423021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66749327243.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 13550113423021 its reverse (12032431105531), we get a palindrome (25582544528552).

The spelling of 13550113423021 in words is "thirteen trillion, five hundred fifty billion, one hundred thirteen million, four hundred twenty-three thousand, twenty-one".