13451145511535 has 16 divisors (see below), whose sum is σ = 16843369941504. Its totient is φ = 10292930437152.

The previous prime is 13451145511519. The next prime is 13451145511541. The reversal of 13451145511535 is 53511554115431.

It is a cyclic number.

It is not a de Polignac number, because 13451145511535 - 2⁴ = 13451145511519 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 15 ways as a sum of consecutive naturals, for example, 9937364 + ... + 11209526.

It is an arithmetic number, because the mean of its divisors is an integer number (1052710621344).

Almost surely, 2^{13451145511535} is an apocalyptic number.

13451145511535 is a deficient number, since it is larger than the sum of its proper divisors (3392224429969).

13451145511535 is a wasteful number, since it uses less digits than its factorization.

13451145511535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364134.

The product of its digits is 450000, while the sum is 44.

Adding to 13451145511535 its reverse (53511554115431), we get a palindrome (66962699626966).

The spelling of 13451145511535 in words is "thirteen trillion, four hundred fifty-one billion, one hundred forty-five million, five hundred eleven thousand, five hundred thirty-five".