1165662244555 has 8 divisors (see below), whose sum is σ = 1399493055312. Its totient is φ = 932064221088.

The previous prime is 1165662244543. The next prime is 1165662244567. The reversal of 1165662244555 is 5554422665611.

It is an interprime number because it is at equal distance from previous prime (1165662244543) and next prime (1165662244567).

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 1165662244555 - 2¹⁵ = 1165662211787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58185804 + ... + 58205833.

It is an arithmetic number, because the mean of its divisors is an integer number (174936631914).

Almost surely, 2^{1165662244555} is an apocalyptic number.

1165662244555 is a deficient number, since it is larger than the sum of its proper divisors (233830810757).

1165662244555 is a wasteful number, since it uses less digits than its factorization.

1165662244555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116393645.

The product of its digits is 8640000, while the sum is 52.

The spelling of 1165662244555 in words is "one trillion, one hundred sixty-five billion, six hundred sixty-two million, two hundred forty-four thousand, five hundred fifty-five".