4112215143991 has 2 divisors, whose sum is σ = 4112215143992. Its totient is φ = 4112215143990.

The previous prime is 4112215143977. The next prime is 4112215144013. The reversal of 4112215143991 is 1993415122114.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4112215143991 - 2⁹ = 4112215143479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4112215143961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2056107571995 + 2056107571996.

It is an arithmetic number, because the mean of its divisors is an integer number (2056107571996).

Almost surely, 2^{4112215143991} is an apocalyptic number.

4112215143991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4112215143991 is an equidigital number, since it uses as much as digits as its factorization.

4112215143991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 43.

The spelling of 4112215143991 in words is "four trillion, one hundred twelve billion, two hundred fifteen million, one hundred forty-three thousand, nine hundred ninety-one".