8155843011 has 12 divisors (see below), whose sum is σ = 11824459920. Its totient is φ = 5417014320.

The previous prime is 8155843009. The next prime is 8155843049. The reversal of 8155843011 is 1103485518.

It is not a de Polignac number, because 8155843011 - 2¹ = 8155843009 is a prime.

It is a super-2 number, since 2×8155843011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8155848011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1681975 + ... + 1686816.

It is an arithmetic number, because the mean of its divisors is an integer number (985371660).

Almost surely, 2^8155843011 is an apocalyptic number.

8155843011 is a deficient number, since it is larger than the sum of its proper divisors (3668616909).

8155843011 is a wasteful number, since it uses less digits than its factorization.

8155843011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369066 (or 3369063 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 8155843011 is about 90309.7060730462. The cubic root of 8155843011 is about 2012.9034885392.

The spelling of 8155843011 in words is "eight billion, one hundred fifty-five million, eight hundred forty-three thousand, eleven".