80526171203 has 4 divisors (see below), whose sum is σ = 84764390760. Its totient is φ = 76287951648.

The previous prime is 80526171197. The next prime is 80526171223. The reversal of 80526171203 is 30217162508.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80526171203 is a prime.

It is a super-2 number, since 2×80526171203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80526171223) 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 3 ways as a sum of consecutive naturals, for example, 2119109750 + ... + 2119109787.

It is an arithmetic number, because the mean of its divisors is an integer number (21191097690).

Almost surely, 2^80526171203 is an apocalyptic number.

80526171203 is a deficient number, since it is larger than the sum of its proper divisors (4238219557).

80526171203 is a wasteful number, since it uses less digits than its factorization.

80526171203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238219556.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 80526171203 in words is "eighty billion, five hundred twenty-six million, one hundred seventy-one thousand, two hundred three".