1004452105091 has 2 divisors, whose sum is σ = 1004452105092. Its totient is φ = 1004452105090.

The previous prime is 1004452104961. The next prime is 1004452105093. The reversal of 1004452105091 is 1905012544001.

1004452105091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1004452105091 - 2²² = 1004447910787 is a prime.

Together with 1004452105093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1004452105093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502226052545 + 502226052546.

It is an arithmetic number, because the mean of its divisors is an integer number (502226052546).

Almost surely, 2^{1004452105091} is an apocalyptic number.

1004452105091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004452105091 is an equidigital number, since it uses as much as digits as its factorization.

1004452105091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 1004452105091 its reverse (1905012544001), we get a palindrome (2909464649092).

The spelling of 1004452105091 in words is "one trillion, four billion, four hundred fifty-two million, one hundred five thousand, ninety-one".