80752805515 has 4 divisors (see below), whose sum is σ = 96903366624. Its totient is φ = 64602244408.

The previous prime is 80752805513. The next prime is 80752805537. The reversal of 80752805515 is 51550825708.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80752805515 - 2¹ = 80752805513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80752805513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8075280547 + ... + 8075280556.

It is an arithmetic number, because the mean of its divisors is an integer number (24225841656).

Almost surely, 2^80752805515 is an apocalyptic number.

80752805515 is a deficient number, since it is larger than the sum of its proper divisors (16150561109).

80752805515 is a wasteful number, since it uses less digits than its factorization.

80752805515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16150561108.

The product of its (nonzero) digits is 560000, while the sum is 46.

The spelling of 80752805515 in words is "eighty billion, seven hundred fifty-two million, eight hundred five thousand, five hundred fifteen".