8111322541242 has 24 divisors (see below), whose sum is σ = 17574950877120. Its totient is φ = 2703709764360.

The previous prime is 8111322541219. The next prime is 8111322541253. The reversal of 8111322541242 is 2421452231118.

8111322541242 is a `hidden beast` number, since 8 + 1 + 1 + 13 + 225 + 412 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8111322541197 and 8111322541206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4588434 + ... + 6105437.

It is an arithmetic number, because the mean of its divisors is an integer number (732289619880).

Almost surely, 2^{8111322541242} is an apocalyptic number.

8111322541242 is an abundant number, since it is smaller than the sum of its proper divisors (9463628335878).

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

8111322541242 is a wasteful number, since it uses less digits than its factorization.

8111322541242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10736018 (or 10736015 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The spelling of 8111322541242 in words is "eight trillion, one hundred eleven billion, three hundred twenty-two million, five hundred forty-one thousand, two hundred forty-two".