36111381112 has 16 divisors (see below), whose sum is σ = 67838806800. Its totient is φ = 18021032640.

The previous prime is 36111381023. The next prime is 36111381121. The reversal of 36111381112 is 21118311163.

36111381112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×36111381112² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4327812 + ... + 4336147.

It is an arithmetic number, because the mean of its divisors is an integer number (4239925425).

Almost surely, 2^36111381112 is an apocalyptic number.

It is an amenable number.

36111381112 is a deficient number, since it is larger than the sum of its proper divisors (31727425688).

36111381112 is a wasteful number, since it uses less digits than its factorization.

36111381112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8664486 (or 8664482 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

Adding to 36111381112 its reverse (21118311163), we get a palindrome (57229692275).

It can be divided in two parts, 361113 and 81112, that added together give a square (442225 = 665²).

The spelling of 36111381112 in words is "thirty-six billion, one hundred eleven million, three hundred eighty-one thousand, one hundred twelve".