4012540162665 has 16 divisors (see below), whose sum is σ = 6641445787200. Its totient is φ = 2066227577792.

The previous prime is 4012540162663. The next prime is 4012540162667. The reversal of 4012540162665 is 5662610452104.

It is an interprime number because it is at equal distance from previous prime (4012540162663) and next prime (4012540162667).

It is a cyclic number.

It is not a de Polignac number, because 4012540162665 - 2¹ = 4012540162663 is a prime.

It is a super-3 number, since 3×4012540162665³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (4012540162663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4612114695 + ... + 4612115564.

It is an arithmetic number, because the mean of its divisors is an integer number (415090361700).

Almost surely, 2^{4012540162665} is an apocalyptic number.

It is an amenable number.

4012540162665 is a deficient number, since it is larger than the sum of its proper divisors (2628905624535).

4012540162665 is a wasteful number, since it uses less digits than its factorization.

4012540162665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224230296.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 4012540162665 in words is "four trillion, twelve billion, five hundred forty million, one hundred sixty-two thousand, six hundred sixty-five".