12011065160521 has 4 divisors (see below), whose sum is σ = 13726931612032. Its totient is φ = 10295198709012.

The previous prime is 12011065160491. The next prime is 12011065160539. The reversal of 12011065160521 is 12506156011021.

12011065160521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 12011065160521 - 2³⁷ = 11873626207049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011065160221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857933225745 + ... + 857933225758.

It is an arithmetic number, because the mean of its divisors is an integer number (3431732903008).

Almost surely, 2^{12011065160521} is an apocalyptic number.

It is an amenable number.

12011065160521 is a deficient number, since it is larger than the sum of its proper divisors (1715866451511).

12011065160521 is an equidigital number, since it uses as much as digits as its factorization.

12011065160521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715866451510.

The product of its (nonzero) digits is 3600, while the sum is 31.

The spelling of 12011065160521 in words is "twelve trillion, eleven billion, sixty-five million, one hundred sixty thousand, five hundred twenty-one".