1165050667121 has 8 divisors (see below), whose sum is σ = 1287052521600. Its totient is φ = 1045730172240.

The previous prime is 1165050667103. The next prime is 1165050667129. The reversal of 1165050667121 is 1217660505611.

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 1165050667121 - 2²⁶ = 1164983558257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1165050667129) 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, 670338986 + ... + 670340723.

It is an arithmetic number, because the mean of its divisors is an integer number (160881565200).

Almost surely, 2^{1165050667121} is an apocalyptic number.

1165050667121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1165050667121 is a deficient number, since it is larger than the sum of its proper divisors (122001854479).

1165050667121 is a wasteful number, since it uses less digits than its factorization.

1165050667121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340679799.

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 1165050667121 in words is "one trillion, one hundred sixty-five billion, fifty million, six hundred sixty-seven thousand, one hundred twenty-one".