4152218565611 has 4 divisors (see below), whose sum is σ = 4163174287800. Its totient is φ = 4141262843424.

The previous prime is 4152218565497. The next prime is 4152218565629. The reversal of 4152218565611 is 1165658122514.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4152218565611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4152218565311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5477860526 + ... + 5477861283.

It is an arithmetic number, because the mean of its divisors is an integer number (1040793571950).

Almost surely, 2^{4152218565611} is an apocalyptic number.

4152218565611 is a deficient number, since it is larger than the sum of its proper divisors (10955722189).

4152218565611 is a wasteful number, since it uses less digits than its factorization.

4152218565611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10955722188.

The product of its digits is 576000, while the sum is 47.

The spelling of 4152218565611 in words is "four trillion, one hundred fifty-two billion, two hundred eighteen million, five hundred sixty-five thousand, six hundred eleven".