1161577692355 has 4 divisors (see below), whose sum is σ = 1393893230832. Its totient is φ = 929262153880.

The previous prime is 1161577692343. The next prime is 1161577692391. The reversal of 1161577692355 is 5532967751611.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1161577692355 - 2¹⁹ = 1161577168067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161577692355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116157769231 + ... + 116157769240.

It is an arithmetic number, because the mean of its divisors is an integer number (348473307708).

Almost surely, 2^{1161577692355} is an apocalyptic number.

1161577692355 is a deficient number, since it is larger than the sum of its proper divisors (232315538477).

1161577692355 is an equidigital number, since it uses as much as digits as its factorization.

1161577692355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232315538476.

The product of its digits is 11907000, while the sum is 58.

The spelling of 1161577692355 in words is "one trillion, one hundred sixty-one billion, five hundred seventy-seven million, six hundred ninety-two thousand, three hundred fifty-five".