536640111 has 18 divisors (see below), whose sum is σ = 901702152. Its totient is φ = 306651240.

The previous prime is 536640089. The next prime is 536640113. The reversal of 536640111 is 111046635.

536640111 is a `hidden beast` number, since 5 + 3 + 6 + 640 + 1 + 11 = 666.

It is not a de Polignac number, because 536640111 - 2¹⁴ = 536623727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536640113) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 607995 + ... + 608876.

It is an arithmetic number, because the mean of its divisors is an integer number (50094564).

Almost surely, 2^536640111 is an apocalyptic number.

536640111 is a deficient number, since it is larger than the sum of its proper divisors (365062041).

536640111 is a wasteful number, since it uses less digits than its factorization.

536640111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216891 (or 1216881 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 536640111 is about 23165.4939727173. The cubic root of 536640111 is about 812.6328548354.

Adding to 536640111 its reverse (111046635), we get a palindrome (647686746).

The spelling of 536640111 in words is "five hundred thirty-six million, six hundred forty thousand, one hundred eleven".