13553330155 has 24 divisors (see below), whose sum is σ = 17281665792. Its totient is φ = 10168852224.

The previous prime is 13553330143. The next prime is 13553330191. The reversal of 13553330155 is 55103335531.

It is not a de Polignac number, because 13553330155 - 2⁷ = 13553330027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13553330155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12468022 + ... + 12469108.

It is an arithmetic number, because the mean of its divisors is an integer number (720069408).

Almost surely, 2^13553330155 is an apocalyptic number.

13553330155 is a deficient number, since it is larger than the sum of its proper divisors (3728335637).

13553330155 is an equidigital number, since it uses as much as digits as its factorization.

13553330155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 50625, while the sum is 34.

Adding to 13553330155 its reverse (55103335531), we get a palindrome (68656665686).

The spelling of 13553330155 in words is "thirteen billion, five hundred fifty-three million, three hundred thirty thousand, one hundred fifty-five".