8145736265536 has 56 divisors (see below), whose sum is σ = 17180136409280. Its totient is φ = 3821045363712.

The previous prime is 8145736265533. The next prime is 8145736265561. The reversal of 8145736265536 is 6355626375418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145736265533) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32393181 + ... + 32643676.

Almost surely, 2^{8145736265536} is an apocalyptic number.

It is an amenable number.

8145736265536 is an abundant number, since it is smaller than the sum of its proper divisors (9034400143744).

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

8145736265536 is a wasteful number, since it uses less digits than its factorization.

8145736265536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65036991 (or 65036981 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 61.

The spelling of 8145736265536 in words is "eight trillion, one hundred forty-five billion, seven hundred thirty-six million, two hundred sixty-five thousand, five hundred thirty-six".