80201505 has 16 divisors (see below), whose sum is σ = 131053824. Its totient is φ = 41863680.

The previous prime is 80201497. The next prime is 80201509. The reversal of 80201505 is 50510208.

It is not a de Polignac number, because 80201505 - 2³ = 80201497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80201509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56176 + ... + 57585.

It is an arithmetic number, because the mean of its divisors is an integer number (8190864).

Almost surely, 2^80201505 is an apocalyptic number.

It is an amenable number.

80201505 is a deficient number, since it is larger than the sum of its proper divisors (50852319).

80201505 is a wasteful number, since it uses less digits than its factorization.

80201505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113816.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 80201505 is about 8955.5292975904. The cubic root of 80201505 is about 431.2484091519.

The spelling of 80201505 in words is "eighty million, two hundred one thousand, five hundred five".