13055454621 has 24 divisors (see below), whose sum is σ = 20587941504. Its totient is φ = 7906354560.

The previous prime is 13055454619. The next prime is 13055454637. The reversal of 13055454621 is 12645455031.

13055454621 is a `hidden beast` number, since 1 + 30 + 554 + 54 + 6 + 21 = 666.

13055454621 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 13055454621 - 2¹ = 13055454619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13055454121) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 81685 + ... + 181061.

It is an arithmetic number, because the mean of its divisors is an integer number (857830896).

Almost surely, 2^13055454621 is an apocalyptic number.

13055454621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13055454621 is a deficient number, since it is larger than the sum of its proper divisors (7532486883).

13055454621 is a wasteful number, since it uses less digits than its factorization.

13055454621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100721 (or 100718 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 13055454621 in words is "thirteen billion, fifty-five million, four hundred fifty-four thousand, six hundred twenty-one".