265161172001 has 8 divisors (see below), whose sum is σ = 289679390208. Its totient is φ = 240711730000.

The previous prime is 265161171991. The next prime is 265161172037. The reversal of 265161172001 is 100271161562.

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 265161172001 - 2¹⁸ = 265160909857 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 (265161174001) 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, 17185985 + ... + 17201406.

It is an arithmetic number, because the mean of its divisors is an integer number (36209923776).

Almost surely, 2^265161172001 is an apocalyptic number.

It is an amenable number.

265161172001 is a deficient number, since it is larger than the sum of its proper divisors (24518218207).

265161172001 is a wasteful number, since it uses less digits than its factorization.

265161172001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34388103.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 265161172001 in words is "two hundred sixty-five billion, one hundred sixty-one million, one hundred seventy-two thousand, one".