800655117111 has 24 divisors (see below), whose sum is σ = 1158664525200. Its totient is φ = 532772222976.

The previous prime is 800655117091. The next prime is 800655117137. The reversal of 800655117111 is 111711556008.

800655117111 is a `hidden beast` number, since 8 + 0 + 0 + 65 + 511 + 71 + 11 = 666.

It is not a de Polignac number, because 800655117111 - 2⁶ = 800655117047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800655117151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52552951 + ... + 52568183.

It is an arithmetic number, because the mean of its divisors is an integer number (48277688550).

Almost surely, 2^800655117111 is an apocalyptic number.

800655117111 is a deficient number, since it is larger than the sum of its proper divisors (358009408089).

800655117111 is a wasteful number, since it uses less digits than its factorization.

800655117111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25775 (or 25772 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 36.

The spelling of 800655117111 in words is "eight hundred billion, six hundred fifty-five million, one hundred seventeen thousand, one hundred eleven".