104421505124491 has 2 divisors, whose sum is σ = 104421505124492. Its totient is φ = 104421505124490.

The previous prime is 104421505124473. The next prime is 104421505124507. The reversal of 104421505124491 is 194421505124401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104421505124491 is a prime.

It is not a weakly prime, because it can be changed into another prime (104421505124291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52210752562245 + 52210752562246.

It is an arithmetic number, because the mean of its divisors is an integer number (52210752562246).

Almost surely, 2^{104421505124491} is an apocalyptic number.

104421505124491 is a deficient number, since it is larger than the sum of its proper divisors (1).

104421505124491 is an equidigital number, since it uses as much as digits as its factorization.

104421505124491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 104421505124491 in words is "one hundred four trillion, four hundred twenty-one billion, five hundred five million, one hundred twenty-four thousand, four hundred ninety-one".