13147175655 has 48 divisors (see below), whose sum is σ = 23211377280. Its totient is φ = 6882729984.

The previous prime is 13147175651. The next prime is 13147175669. The reversal of 13147175655 is 55657174131.

13147175655 is a `hidden beast` number, since 1 + 3 + 14 + 71 + 7 + 565 + 5 = 666.

It is not a de Polignac number, because 13147175655 - 2² = 13147175651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13147175655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13147175651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 604327 + ... + 625703.

It is an arithmetic number, because the mean of its divisors is an integer number (483570360).

Almost surely, 2^13147175655 is an apocalyptic number.

13147175655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13147175655 is a deficient number, since it is larger than the sum of its proper divisors (10064201625).

13147175655 is a wasteful number, since it uses less digits than its factorization.

13147175655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21640 (or 21637 counting only the distinct ones).

The product of its digits is 441000, while the sum is 45.

The spelling of 13147175655 in words is "thirteen billion, one hundred forty-seven million, one hundred seventy-five thousand, six hundred fifty-five".