13155915133 has 4 divisors (see below), whose sum is σ = 13205937888. Its totient is φ = 13105892380.

The previous prime is 13155915053. The next prime is 13155915161. The reversal of 13155915133 is 33151955131.

13155915133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13155915133 - 2¹³ = 13155906941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13155915092 and 13155915101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155915433) 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 3 ways as a sum of consecutive naturals, for example, 25010983 + ... + 25011508.

It is an arithmetic number, because the mean of its divisors is an integer number (3301484472).

Almost surely, 2^13155915133 is an apocalyptic number.

It is an amenable number.

13155915133 is a deficient number, since it is larger than the sum of its proper divisors (50022755).

13155915133 is an equidigital number, since it uses as much as digits as its factorization.

13155915133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50022754.

The product of its digits is 30375, while the sum is 37.

The spelling of 13155915133 in words is "thirteen billion, one hundred fifty-five million, nine hundred fifteen thousand, one hundred thirty-three".