80115563 has 16 divisors (see below), whose sum is σ = 91133952. Its totient is φ = 69768000.

The previous prime is 80115527. The next prime is 80115583. The reversal of 80115563 is 36551108.

It is a cyclic number.

It is not a de Polignac number, because 80115563 - 2⁶ = 80115499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80115583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33983 + ... + 36263.

It is an arithmetic number, because the mean of its divisors is an integer number (5695872).

Almost surely, 2^80115563 is an apocalyptic number.

80115563 is a deficient number, since it is larger than the sum of its proper divisors (11018389).

80115563 is a wasteful number, since it uses less digits than its factorization.

80115563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 80115563 is about 8950.7297467860. The cubic root of 80115563 is about 431.0943156302.

The spelling of 80115563 in words is "eighty million, one hundred fifteen thousand, five hundred sixty-three".