13311503155 has 8 divisors (see below), whose sum is σ = 15992318592. Its totient is φ = 10636859328.

The previous prime is 13311503147. The next prime is 13311503159. The reversal of 13311503155 is 55130511331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13311503155 - 2³ = 13311503147 is a prime.

It is a super-2 number, since 2×13311503155² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311503159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538154 + ... + 1546783.

It is an arithmetic number, because the mean of its divisors is an integer number (1999039824).

Almost surely, 2^13311503155 is an apocalyptic number.

13311503155 is a deficient number, since it is larger than the sum of its proper divisors (2680815437).

13311503155 is an equidigital number, since it uses as much as digits as its factorization.

13311503155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085805.

The product of its (nonzero) digits is 3375, while the sum is 28.

The spelling of 13311503155 in words is "thirteen billion, three hundred eleven million, five hundred three thousand, one hundred fifty-five".