4102144411991 has 2 divisors, whose sum is σ = 4102144411992. Its totient is φ = 4102144411990.

The previous prime is 4102144411979. The next prime is 4102144412057. The reversal of 4102144411991 is 1991144412014.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4102144411991 - 2²⁶ = 4102077303127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4102144411921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051072205995 + 2051072205996.

It is an arithmetic number, because the mean of its divisors is an integer number (2051072205996).

Almost surely, 2^{4102144411991} is an apocalyptic number.

4102144411991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4102144411991 is an equidigital number, since it uses as much as digits as its factorization.

4102144411991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 4102144411991 in words is "four trillion, one hundred two billion, one hundred forty-four million, four hundred eleven thousand, nine hundred ninety-one".