536561216105 has 8 divisors (see below), whose sum is σ = 644959252872. Its totient is φ = 428525110528.

The previous prime is 536561216077. The next prime is 536561216111. The reversal of 536561216105 is 501612165635.

It can be written as a sum of positive squares in 4 ways, for example, as 70733125849 + 465828090256 = 265957^2 + 682516^2 .

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 536561216105 - 2²⁰ = 536560167529 is a prime.

It is a super-2 number, since 2×536561216105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90479534 + ... + 90485463.

It is an arithmetic number, because the mean of its divisors is an integer number (80619906609).

Almost surely, 2^536561216105 is an apocalyptic number.

It is an amenable number.

536561216105 is a deficient number, since it is larger than the sum of its proper divisors (108398036767).

536561216105 is a wasteful number, since it uses less digits than its factorization.

536561216105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180965595.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 536561216105 in words is "five hundred thirty-six billion, five hundred sixty-one million, two hundred sixteen thousand, one hundred five".