13155012655 has 8 divisors (see below), whose sum is σ = 15786633600. Its totient is φ = 10523597856.

The previous prime is 13155012649. The next prime is 13155012701. The reversal of 13155012655 is 55621055131.

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 13155012655 - 2⁵ = 13155012623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13155012655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204541 + ... + 261049.

It is an arithmetic number, because the mean of its divisors is an integer number (1973329200).

Almost surely, 2^13155012655 is an apocalyptic number.

13155012655 is a deficient number, since it is larger than the sum of its proper divisors (2631620945).

13155012655 is an equidigital number, since it uses as much as digits as its factorization.

13155012655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103073.

The product of its (nonzero) digits is 22500, while the sum is 34.

Adding to 13155012655 its reverse (55621055131), we get a palindrome (68776067786).

The spelling of 13155012655 in words is "thirteen billion, one hundred fifty-five million, twelve thousand, six hundred fifty-five".