800280831011 has 4 divisors (see below), whose sum is σ = 800763802392. Its totient is φ = 799797859632.

The previous prime is 800280830977. The next prime is 800280831073. The reversal of 800280831011 is 110138082008.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 800280831011 - 2²² = 800276636707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800280831211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241483205 + ... + 241486518.

It is an arithmetic number, because the mean of its divisors is an integer number (200190950598).

Almost surely, 2^800280831011 is an apocalyptic number.

800280831011 is a deficient number, since it is larger than the sum of its proper divisors (482971381).

800280831011 is a wasteful number, since it uses less digits than its factorization.

800280831011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482971380.

The product of its (nonzero) digits is 3072, while the sum is 32.

The spelling of 800280831011 in words is "eight hundred billion, two hundred eighty million, eight hundred thirty-one thousand, eleven".