11166566058 has 24 divisors (see below), whose sum is σ = 25028511300. Its totient is φ = 3593837184.

The previous prime is 11166566053. The next prime is 11166566063. The reversal of 11166566058 is 85066566111.

It is an interprime number because it is at equal distance from previous prime (11166566053) and next prime (11166566063).

It can be written as a sum of positive squares in 2 ways, for example, as 10354487049 + 812079009 = 101757^2 + 28497^2 .

It is not an unprimeable number, because it can be changed into a prime (11166566051) 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, 10695423 + ... + 10696466.

Almost surely, 2^11166566058 is an apocalyptic number.

11166566058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11166566058 is an abundant number, since it is smaller than the sum of its proper divisors (13861945242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11166566058 is a wasteful number, since it uses less digits than its factorization.

11166566058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21391926 (or 21391923 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 11166566058 in words is "eleven billion, one hundred sixty-six million, five hundred sixty-six thousand, fifty-eight".