8112785041 has 3 divisors (see below), whose sum is σ = 8112875113. Its totient is φ = 8112694970.

The previous prime is 8112785039. The next prime is 8112785069. The reversal of 8112785041 is 1405872118.

The square root of 8112785041 is 90071.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 8112785041 - 2¹ = 8112785039 is a prime.

It is a super-2 number, since 2×8112785041² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8112785081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 45036 + ... + 135106.

Almost surely, 2^8112785041 is an apocalyptic number.

8112785041 is the 90071-st square number.

8112785041 is the 45036-th centered octagonal number.

It is an amenable number.

8112785041 is a deficient number, since it is larger than the sum of its proper divisors (90072).

8112785041 is an frugal number, since it uses more digits than its factorization.

8112785041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180142 (or 90071 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 37.

The cubic root of 8112785041 is about 2009.3549278546.

The spelling of 8112785041 in words is "eight billion, one hundred twelve million, seven hundred eighty-five thousand, forty-one".