1165153678227 has 24 divisors (see below), whose sum is σ = 2098285413120. Its totient is φ = 605274637680.

The previous prime is 1165153678163. The next prime is 1165153678229. The reversal of 1165153678227 is 7228763515611.

1165153678227 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 1 + 536 + 7 + 82 + 27 = 666.

It is not a de Polignac number, because 1165153678227 - 2⁶ = 1165153678163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1165153678229) 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, 840658527 + ... + 840659912.

It is an arithmetic number, because the mean of its divisors is an integer number (87428558880).

Almost surely, 2^{1165153678227} is an apocalyptic number.

1165153678227 is a deficient number, since it is larger than the sum of its proper divisors (933131734893).

1165153678227 is a wasteful number, since it uses less digits than its factorization.

1165153678227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681318463 (or 1681318460 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The spelling of 1165153678227 in words is "one trillion, one hundred sixty-five billion, one hundred fifty-three million, six hundred seventy-eight thousand, two hundred twenty-seven".