1043315223091 has 2 divisors, whose sum is σ = 1043315223092. Its totient is φ = 1043315223090.

The previous prime is 1043315223077. The next prime is 1043315223151. The reversal of 1043315223091 is 1903225133401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043315223091 - 2¹³ = 1043315214899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043315223001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521657611545 + 521657611546.

It is an arithmetic number, because the mean of its divisors is an integer number (521657611546).

Almost surely, 2^{1043315223091} is an apocalyptic number.

1043315223091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043315223091 is an equidigital number, since it uses as much as digits as its factorization.

1043315223091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 1043315223091 in words is "one trillion, forty-three billion, three hundred fifteen million, two hundred twenty-three thousand, ninety-one".