38105321111 has 32 divisors (see below), whose sum is σ = 45890482176. Its totient is φ = 31179168000.

The previous prime is 38105321101. The next prime is 38105321141. The reversal of 38105321111 is 11112350183.

38105321111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38105321111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38105321101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1810931 + ... + 1831851.

It is an arithmetic number, because the mean of its divisors is an integer number (1434077568).

Almost surely, 2^38105321111 is an apocalyptic number.

38105321111 is a deficient number, since it is larger than the sum of its proper divisors (7785161065).

38105321111 is a wasteful number, since it uses less digits than its factorization.

38105321111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21263.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 38105321111 its reverse (11112350183), we get a palindrome (49217671294).

The spelling of 38105321111 in words is "thirty-eight billion, one hundred five million, three hundred twenty-one thousand, one hundred eleven".