1165653552959 has 8 divisors (see below), whose sum is σ = 1332312946848. Its totient is φ = 999028523520.

The previous prime is 1165653552913. The next prime is 1165653552961. The reversal of 1165653552959 is 9592553565611.

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 1165653552959 - 2³² = 1161358585663 is a prime.

It is a super-3 number, since 3×1165653552959³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165653522959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8518382 + ... + 8654139.

It is an arithmetic number, because the mean of its divisors is an integer number (166539118356).

Almost surely, 2^{1165653552959} is an apocalyptic number.

1165653552959 is a deficient number, since it is larger than the sum of its proper divisors (166659393889).

1165653552959 is an equidigital number, since it uses as much as digits as its factorization.

1165653552959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17182225.

The product of its digits is 54675000, while the sum is 62.

The spelling of 1165653552959 in words is "one trillion, one hundred sixty-five billion, six hundred fifty-three million, five hundred fifty-two thousand, nine hundred fifty-nine".