80237321052265 has 16 divisors (see below), whose sum is σ = 103691677411728. Its totient is φ = 59251964000256.

The previous prime is 80237321052257. The next prime is 80237321052281. The reversal of 80237321052265 is 56225012373208.

It can be written as a sum of positive squares in 8 ways, for example, as 8875561139344 + 71361759912921 = 2979188^2 + 8447589^2 .

It is a cyclic number.

It is not a de Polignac number, because 80237321052265 - 2³ = 80237321052257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17485237 + ... + 21591853.

It is an arithmetic number, because the mean of its divisors is an integer number (6480729838233).

Almost surely, 2^{80237321052265} is an apocalyptic number.

It is an amenable number.

80237321052265 is a deficient number, since it is larger than the sum of its proper divisors (23454356359463).

80237321052265 is a wasteful number, since it uses less digits than its factorization.

80237321052265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407228.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 80237321052265 in words is "eighty trillion, two hundred thirty-seven billion, three hundred twenty-one million, fifty-two thousand, two hundred sixty-five".