8118281801 has 4 divisors (see below), whose sum is σ = 9278036352. Its totient is φ = 6958527252.

The previous prime is 8118281771. The next prime is 8118281839. The reversal of 8118281801 is 1081828118.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8118281801 - 2⁶ = 8118281737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8118281861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579877265 + ... + 579877278.

It is an arithmetic number, because the mean of its divisors is an integer number (2319509088).

Almost surely, 2^8118281801 is an apocalyptic number.

It is an amenable number.

8118281801 is a deficient number, since it is larger than the sum of its proper divisors (1159754551).

8118281801 is a wasteful number, since it uses less digits than its factorization.

8118281801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159754550.

The product of its (nonzero) digits is 8192, while the sum is 38.

The square root of 8118281801 is about 90101.5083170088. The cubic root of 8118281801 is about 2009.8086334646.

The spelling of 8118281801 in words is "eight billion, one hundred eighteen million, two hundred eighty-one thousand, eight hundred one".