6506111142 has 48 divisors (see below), whose sum is σ = 14504965488. Its totient is φ = 2106686400.

The previous prime is 6506111141. The next prime is 6506111149. The reversal of 6506111142 is 2411116056.

6506111142 is a `hidden beast` number, since 6 + 5 + 0 + 611 + 1 + 1 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506111141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62593 + ... + 130115.

It is an arithmetic number, because the mean of its divisors is an integer number (302186781).

Almost surely, 2^6506111142 is an apocalyptic number.

6506111142 is an abundant number, since it is smaller than the sum of its proper divisors (7998854346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6506111142 is a wasteful number, since it uses less digits than its factorization.

6506111142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67685 (or 67682 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 6506111142 is about 80660.4682728783. The cubic root of 6506111142 is about 1866.8402645878.

Adding to 6506111142 its reverse (2411116056), we get a palindrome (8917227198).

The spelling of 6506111142 in words is "six billion, five hundred six million, one hundred eleven thousand, one hundred forty-two".