11142665231671 has 2 divisors, whose sum is σ = 11142665231672. Its totient is φ = 11142665231670.

The previous prime is 11142665231651. The next prime is 11142665231699. The reversal of 11142665231671 is 17613256624111.

11142665231671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11142665231671 - 2³¹ = 11140517748023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11142665231651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571332615835 + 5571332615836.

It is an arithmetic number, because the mean of its divisors is an integer number (5571332615836).

Almost surely, 2^{11142665231671} is an apocalyptic number.

11142665231671 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142665231671 is an equidigital number, since it uses as much as digits as its factorization.

11142665231671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The spelling of 11142665231671 in words is "eleven trillion, one hundred forty-two billion, six hundred sixty-five million, two hundred thirty-one thousand, six hundred seventy-one".