801543587005 has 64 divisors (see below), whose sum is σ = 1191462801408. Its totient is φ = 505067996160.

The previous prime is 801543586981. The next prime is 801543587017. The reversal of 801543587005 is 500785345108.

It is not a de Polignac number, because 801543587005 - 2¹⁵ = 801543554237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 89824474 + ... + 89833396.

It is an arithmetic number, because the mean of its divisors is an integer number (18616606272).

Almost surely, 2^801543587005 is an apocalyptic number.

801543587005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

801543587005 is a deficient number, since it is larger than the sum of its proper divisors (389919214403).

801543587005 is a wasteful number, since it uses less digits than its factorization.

801543587005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12506.

The product of its (nonzero) digits is 672000, while the sum is 46.

The spelling of 801543587005 in words is "eight hundred one billion, five hundred forty-three million, five hundred eighty-seven thousand, five".