13155775765227 has 24 divisors (see below), whose sum is σ = 19033769821248. Its totient is φ = 8756219443200.

The previous prime is 13155775765213. The next prime is 13155775765241. The reversal of 13155775765227 is 72256757755131.

13155775765227 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 5 + 7 + 7 + 576 + 52 + 2 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (13155775765213) and next prime (13155775765241).

It is not a de Polignac number, because 13155775765227 - 2¹⁵ = 13155775732459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13155775765207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91026073 + ... + 91170485.

It is an arithmetic number, because the mean of its divisors is an integer number (793073742552).

Almost surely, 2^{13155775765227} is an apocalyptic number.

13155775765227 is a deficient number, since it is larger than the sum of its proper divisors (5877994056021).

13155775765227 is a wasteful number, since it uses less digits than its factorization.

13155775765227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160851 (or 160848 counting only the distinct ones).

The product of its digits is 108045000, while the sum is 63.

The spelling of 13155775765227 in words is "thirteen trillion, one hundred fifty-five billion, seven hundred seventy-five million, seven hundred sixty-five thousand, two hundred twenty-seven".