4155665513 has 8 divisors (see below), whose sum is σ = 4200900000. Its totient is φ = 4110579648.

The previous prime is 4155665509. The next prime is 4155665539. The reversal of 4155665513 is 3155665514.

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 4155665513 - 2² = 4155665509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155665543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19538 + ... + 93236.

It is an arithmetic number, because the mean of its divisors is an integer number (525112500).

Almost surely, 2^4155665513 is an apocalyptic number.

It is an amenable number.

4155665513 is a deficient number, since it is larger than the sum of its proper divisors (45234487).

4155665513 is a wasteful number, since it uses less digits than its factorization.

4155665513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74311.

The product of its digits is 270000, while the sum is 41.

The square root of 4155665513 is about 64464.4515450182. The cubic root of 4155665513 is about 1607.7315265138.

Subtracting from 4155665513 its reverse (3155665514), we obtain a palindrome (999999999).

The spelling of 4155665513 in words is "four billion, one hundred fifty-five million, six hundred sixty-five thousand, five hundred thirteen".