13445425045231 has 4 divisors (see below), whose sum is σ = 14153078995000. Its totient is φ = 12737771095464.

The previous prime is 13445425045127. The next prime is 13445425045253. The reversal of 13445425045231 is 13254052454431.

It is a happy number.

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-13445425045231 is a prime.

It is a super-2 number, since 2×13445425045231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445425045531) 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 3 ways as a sum of consecutive naturals, for example, 353826974856 + ... + 353826974893.

It is an arithmetic number, because the mean of its divisors is an integer number (3538269748750).

Almost surely, 2^{13445425045231} is an apocalyptic number.

13445425045231 is a deficient number, since it is larger than the sum of its proper divisors (707653949769).

13445425045231 is an equidigital number, since it uses as much as digits as its factorization.

13445425045231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707653949768.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 13445425045231 its reverse (13254052454431), we get a palindrome (26699477499662).

The spelling of 13445425045231 in words is "thirteen trillion, four hundred forty-five billion, four hundred twenty-five million, forty-five thousand, two hundred thirty-one".