538117111 has 16 divisors (see below), whose sum is σ = 633369600. Its totient is φ = 447658848.

The previous prime is 538117037. The next prime is 538117141. The reversal of 538117111 is 111711835.

It is not a de Polignac number, because 538117111 - 2⁷ = 538116983 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 538117111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538117141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24381 + ... + 40873.

It is an arithmetic number, because the mean of its divisors is an integer number (39585600).

Almost surely, 2^538117111 is an apocalyptic number.

538117111 is a deficient number, since it is larger than the sum of its proper divisors (95252489).

538117111 is a wasteful number, since it uses less digits than its factorization.

538117111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16638.

The product of its digits is 840, while the sum is 28.

The square root of 538117111 is about 23197.3513789829. The cubic root of 538117111 is about 813.3777111002.

Adding to 538117111 its reverse (111711835), we get a palindrome (649828946).

It can be divided in two parts, 538 and 117111, that added together give a 6-th power (117649 = 7⁶).

The spelling of 538117111 in words is "five hundred thirty-eight million, one hundred seventeen thousand, one hundred eleven".