13451441502251 has 4 divisors (see below), whose sum is σ = 13451892877272. Its totient is φ = 13450990127232.

The previous prime is 13451441502223. The next prime is 13451441502271. The reversal of 13451441502251 is 15220514415431.

13451441502251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13451441502251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13451441502271) 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, 225642806 + ... + 225702411.

It is an arithmetic number, because the mean of its divisors is an integer number (3362973219318).

Almost surely, 2^{13451441502251} is an apocalyptic number.

13451441502251 is a deficient number, since it is larger than the sum of its proper divisors (451375021).

13451441502251 is an equidigital number, since it uses as much as digits as its factorization.

13451441502251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451375020.

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 13451441502251 its reverse (15220514415431), we get a palindrome (28671955917682).

The spelling of 13451441502251 in words is "thirteen trillion, four hundred fifty-one billion, four hundred forty-one million, five hundred two thousand, two hundred fifty-one".