811008000005 has 16 divisors (see below), whose sum is σ = 1128840136320. Its totient is φ = 547819474752.

The previous prime is 811007999983. The next prime is 811008000017. The reversal of 811008000005 is 500000800118.

It is a cyclic number.

It is not a de Polignac number, because 811008000005 - 2¹⁶ = 811007934469 is a prime.

It is a super-2 number, since 2×811008000005² (a number of 25 digits) contains 22 as substring.

It is a congruent 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, 172920470 + ... + 172925159.

It is an arithmetic number, because the mean of its divisors is an integer number (70552508520).

Almost surely, 2^811008000005 is an apocalyptic number.

It is an amenable number.

811008000005 is a deficient number, since it is larger than the sum of its proper divisors (317832136315).

811008000005 is a wasteful number, since it uses less digits than its factorization.

811008000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345845708.

The product of its (nonzero) digits is 320, while the sum is 23.

The spelling of 811008000005 in words is "eight hundred eleven billion, eight million, five", and thus it is an aban number.