13453521455 has 16 divisors (see below), whose sum is σ = 18647877024. Its totient is φ = 9208826880.

The previous prime is 13453521443. The next prime is 13453521461. The reversal of 13453521455 is 55412535431.

13453521455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13453521455 - 2³² = 9158554159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7193462 + ... + 7195331.

It is an arithmetic number, because the mean of its divisors is an integer number (1165492314).

Almost surely, 2^13453521455 is an apocalyptic number.

13453521455 is a deficient number, since it is larger than the sum of its proper divisors (5194355569).

13453521455 is a wasteful number, since it uses less digits than its factorization.

13453521455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14388826.

The product of its digits is 180000, while the sum is 38.

The spelling of 13453521455 in words is "thirteen billion, four hundred fifty-three million, five hundred twenty-one thousand, four hundred fifty-five".