2801159065 has 4 divisors (see below), whose sum is σ = 3361390884. Its totient is φ = 2240927248.

The previous prime is 2801159041. The next prime is 2801159089. The reversal of 2801159065 is 5609511082.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2801159041) and next prime (2801159089).

It can be written as a sum of positive squares in 2 ways, for example, as 698386329 + 2102772736 = 26427^2 + 45856^2 .

It is a cyclic number.

It is not a de Polignac number, because 2801159065 - 2¹⁵ = 2801126297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280115902 + ... + 280115911.

It is an arithmetic number, because the mean of its divisors is an integer number (840347721).

Almost surely, 2^2801159065 is an apocalyptic number.

It is an amenable number.

2801159065 is a deficient number, since it is larger than the sum of its proper divisors (560231819).

2801159065 is an equidigital number, since it uses as much as digits as its factorization.

2801159065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560231818.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 2801159065 is about 52925.9772229101. The cubic root of 2801159065 is about 1409.6542023766.

It can be divided in two parts, 280115 and 9065, that added together give a triangular number (289180 = T₇₆₀).

The spelling of 2801159065 in words is "two billion, eight hundred one million, one hundred fifty-nine thousand, sixty-five".