2881396765165 has 8 divisors (see below), whose sum is σ = 3457711715040. Its totient is φ = 2305093680912.

The previous prime is 2881396765151. The next prime is 2881396765183. The reversal of 2881396765165 is 5615676931882.

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 2881396765165 - 2⁵ = 2881396765133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2881396765165.

It is a congruent 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, 2423119 + ... + 3410908.

It is an arithmetic number, because the mean of its divisors is an integer number (432213964380).

Almost surely, 2^{2881396765165} is an apocalyptic number.

It is an amenable number.

2881396765165 is a deficient number, since it is larger than the sum of its proper divisors (576314949875).

2881396765165 is an equidigital number, since it uses as much as digits as its factorization.

2881396765165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5932811.

The product of its digits is 130636800, while the sum is 67.

The spelling of 2881396765165 in words is "two trillion, eight hundred eighty-one billion, three hundred ninety-six million, seven hundred sixty-five thousand, one hundred sixty-five".