3805112078165 has 16 divisors (see below), whose sum is σ = 4835049671088. Its totient is φ = 2864836509696.

The previous prime is 3805112078153. The next prime is 3805112078177. The reversal of 3805112078165 is 5618702115083.

It is an interprime number because it is at equal distance from previous prime (3805112078153) and next prime (3805112078177).

It can be written as a sum of positive squares in 8 ways, for example, as 6070591396 + 3799041486769 = 77914^2 + 1949113^2 .

It is not a de Polignac number, because 3805112078165 - 2¹⁴ = 3805112061781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174572 + ... + 2764181.

It is an arithmetic number, because the mean of its divisors is an integer number (302190604443).

Almost surely, 2^{3805112078165} is an apocalyptic number.

It is an amenable number.

3805112078165 is a deficient number, since it is larger than the sum of its proper divisors (1029937592923).

3805112078165 is a wasteful number, since it uses less digits than its factorization.

3805112078165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954008.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 3805112078165 in words is "three trillion, eight hundred five billion, one hundred twelve million, seventy-eight thousand, one hundred sixty-five".