13021066455 has 16 divisors (see below), whose sum is σ = 21396780384. Its totient is φ = 6756877440.

The previous prime is 13021066441. The next prime is 13021066469. The reversal of 13021066455 is 55466012031.

13021066455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13021066441) and next prime (13021066469).

It is not a de Polignac number, because 13021066455 - 2⁷ = 13021066327 is a prime.

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, 11730136 + ... + 11731245.

It is an arithmetic number, because the mean of its divisors is an integer number (1337298774).

Almost surely, 2^13021066455 is an apocalyptic number.

13021066455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13021066455 is a deficient number, since it is larger than the sum of its proper divisors (8375713929).

13021066455 is a wasteful number, since it uses less digits than its factorization.

13021066455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23461426.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 13021066455 its reverse (55466012031), we get a palindrome (68487078486).

The spelling of 13021066455 in words is "thirteen billion, twenty-one million, sixty-six thousand, four hundred fifty-five".