11646643027051 has 4 divisors (see below), whose sum is σ = 11646898554312. Its totient is φ = 11646387499792.

The previous prime is 11646643027049. The next prime is 11646643027087. The reversal of 11646643027051 is 15072034664611.

It is a happy number.

11646643027051 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.

It is a cyclic number.

It is not a de Polignac number, because 11646643027051 - 2¹ = 11646643027049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11646643026992 and 11646643027010.

It is not an unprimeable number, because it can be changed into a prime (11646643027001) 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, 127695250 + ... + 127786423.

It is an arithmetic number, because the mean of its divisors is an integer number (2911724638578).

Almost surely, 2^{11646643027051} is an apocalyptic number.

11646643027051 is a deficient number, since it is larger than the sum of its proper divisors (255527261).

11646643027051 is an equidigital number, since it uses as much as digits as its factorization.

11646643027051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255527260.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 11646643027051 in words is "eleven trillion, six hundred forty-six billion, six hundred forty-three million, twenty-seven thousand, fifty-one".