8117402811 has 48 divisors (see below), whose sum is σ = 13711317504. Its totient is φ = 4175778816.

The previous prime is 8117402809. The next prime is 8117402819. The reversal of 8117402811 is 1182047118.

It is not a de Polignac number, because 8117402811 - 2¹ = 8117402809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8117402819) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110511 + ... + 168663.

It is an arithmetic number, because the mean of its divisors is an integer number (285652448).

Almost surely, 2^8117402811 is an apocalyptic number.

8117402811 is a deficient number, since it is larger than the sum of its proper divisors (5593914693).

8117402811 is a wasteful number, since it uses less digits than its factorization.

8117402811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58220 (or 58203 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 33.

The square root of 8117402811 is about 90096.6304086895. The cubic root of 8117402811 is about 2009.7360949031.

Adding to 8117402811 its reverse (1182047118), we get a palindrome (9299449929).

The spelling of 8117402811 in words is "eight billion, one hundred seventeen million, four hundred two thousand, eight hundred eleven".