80809285511 has 8 divisors (see below), whose sum is σ = 85627666080. Its totient is φ = 75998115328.

The previous prime is 80809285483. The next prime is 80809285517. The reversal of 80809285511 is 11558290808.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80809285511 - 2¹⁰ = 80809284487 is a prime.

It is a super-2 number, since 2×80809285511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80809285517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779506 + ... + 1824351.

It is an arithmetic number, because the mean of its divisors is an integer number (10703458260).

Almost surely, 2^80809285511 is an apocalyptic number.

80809285511 is a deficient number, since it is larger than the sum of its proper divisors (4818380569).

80809285511 is a wasteful number, since it uses less digits than its factorization.

80809285511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605193.

The product of its (nonzero) digits is 230400, while the sum is 47.

The spelling of 80809285511 in words is "eighty billion, eight hundred nine million, two hundred eighty-five thousand, five hundred eleven".