13451243455 has 24 divisors (see below), whose sum is σ = 18465858432. Its totient is φ = 9348905472.

The previous prime is 13451243441. The next prime is 13451243471. The reversal of 13451243455 is 55434215431.

It is not a de Polignac number, because 13451243455 - 2⁵ = 13451243423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339247 + ... + 376816.

It is an arithmetic number, because the mean of its divisors is an integer number (769410768).

Almost surely, 2^13451243455 is an apocalyptic number.

13451243455 is a deficient number, since it is larger than the sum of its proper divisors (5014614977).

13451243455 is a wasteful number, since it uses less digits than its factorization.

13451243455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716115 (or 716098 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

Adding to 13451243455 its reverse (55434215431), we get a palindrome (68885458886).

The spelling of 13451243455 in words is "thirteen billion, four hundred fifty-one million, two hundred forty-three thousand, four hundred fifty-five".