4011542665 has 8 divisors (see below), whose sum is σ = 5184147528. Its totient is φ = 2962369920.

The previous prime is 4011542651. The next prime is 4011542669. The reversal of 4011542665 is 5662451104.

4011542665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 251032336 + 3760510329 = 15844^2 + 61323^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4011542665 - 2¹³ = 4011534473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4011542665.

It is not an unprimeable number, because it can be changed into a prime (4011542669) 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, 30857956 + ... + 30858085.

It is an arithmetic number, because the mean of its divisors is an integer number (648018441).

Almost surely, 2^4011542665 is an apocalyptic number.

It is an amenable number.

4011542665 is a deficient number, since it is larger than the sum of its proper divisors (1172604863).

4011542665 is a wasteful number, since it uses less digits than its factorization.

4011542665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61716059.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 4011542665 is about 63336.7402460847. The cubic root of 4011542665 is about 1588.9264888208.

Adding to 4011542665 its reverse (5662451104), we get a palindrome (9673993769).

The spelling of 4011542665 in words is "four billion, eleven million, five hundred forty-two thousand, six hundred sixty-five".