1104404421391 has 2 divisors, whose sum is σ = 1104404421392. Its totient is φ = 1104404421390.

The previous prime is 1104404421389. The next prime is 1104404421401. The reversal of 1104404421391 is 1931244044011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1104404421391 - 2¹ = 1104404421389 is a prime.

Together with 1104404421389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1104404421091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552202210695 + 552202210696.

It is an arithmetic number, because the mean of its divisors is an integer number (552202210696).

Almost surely, 2^{1104404421391} is an apocalyptic number.

1104404421391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104404421391 is an equidigital number, since it uses as much as digits as its factorization.

1104404421391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 1104404421391 in words is "one trillion, one hundred four billion, four hundred four million, four hundred twenty-one thousand, three hundred ninety-one".