1104235601891 has 2 divisors, whose sum is σ = 1104235601892. Its totient is φ = 1104235601890.

The previous prime is 1104235601879. The next prime is 1104235601927. The reversal of 1104235601891 is 1981065324011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1104235601891 - 2¹⁴ = 1104235585507 is a prime.

It is not a weakly prime, because it can be changed into another prime (1104235606891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552117800945 + 552117800946.

It is an arithmetic number, because the mean of its divisors is an integer number (552117800946).

Almost surely, 2^{1104235601891} is an apocalyptic number.

1104235601891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104235601891 is an equidigital number, since it uses as much as digits as its factorization.

1104235601891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 1104235601891 in words is "one trillion, one hundred four billion, two hundred thirty-five million, six hundred one thousand, eight hundred ninety-one".