18058266611 has 32 divisors (see below), whose sum is σ = 22694031360. Its totient is φ = 13959338400.

The previous prime is 18058266601. The next prime is 18058266617. The reversal of 18058266611 is 11666285081.

It is not a de Polignac number, because 18058266611 - 2⁶ = 18058266547 is a prime.

It is a super-2 number, since 2×18058266611² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18058266617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8473016 + ... + 8475146.

It is an arithmetic number, because the mean of its divisors is an integer number (709188480).

Almost surely, 2^18058266611 is an apocalyptic number.

18058266611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18058266611 is a deficient number, since it is larger than the sum of its proper divisors (4635764749).

18058266611 is a wasteful number, since it uses less digits than its factorization.

18058266611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 18058266611 in words is "eighteen billion, fifty-eight million, two hundred sixty-six thousand, six hundred eleven".