11066165121 has 16 divisors (see below), whose sum is σ = 16098001920. Its totient is φ = 6706032720.

The previous prime is 11066165101. The next prime is 11066165137. The reversal of 11066165121 is 12156166011.

It is not a de Polignac number, because 11066165121 - 2¹³ = 11066156929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11066165101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556476 + ... + 576018.

It is an arithmetic number, because the mean of its divisors is an integer number (1006125120).

Almost surely, 2^11066165121 is an apocalyptic number.

11066165121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11066165121 is a deficient number, since it is larger than the sum of its proper divisors (5031836799).

11066165121 is a wasteful number, since it uses less digits than its factorization.

11066165121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36716.

The product of its (nonzero) digits is 2160, while the sum is 30.

The spelling of 11066165121 in words is "eleven billion, sixty-six million, one hundred sixty-five thousand, one hundred twenty-one".