13425432120143 has 8 divisors (see below), whose sum is σ = 13451267773440. Its totient is φ = 13399619882680.

The previous prime is 13425432120137. The next prime is 13425432120181. The reversal of 13425432120143 is 34102123452431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13425432120143 is a prime.

It is a super-2 number, since 2×13425432120143² (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 (13425432120103) 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, 4705943 + ... + 6999768.

It is an arithmetic number, because the mean of its divisors is an integer number (1681408471680).

Almost surely, 2^{13425432120143} is an apocalyptic number.

13425432120143 is a deficient number, since it is larger than the sum of its proper divisors (25835653297).

13425432120143 is a wasteful number, since it uses less digits than its factorization.

13425432120143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11707917.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 13425432120143 its reverse (34102123452431), we get a palindrome (47527555572574).

The spelling of 13425432120143 in words is "thirteen trillion, four hundred twenty-five billion, four hundred thirty-two million, one hundred twenty thousand, one hundred forty-three".