104011041521 has 2 divisors, whose sum is σ = 104011041522. Its totient is φ = 104011041520.

The previous prime is 104011041481. The next prime is 104011041581. The reversal of 104011041521 is 125140110401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68350873600 + 35660167921 = 261440^2 + 188839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104011041521 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104011041493 and 104011041502.

It is not a weakly prime, because it can be changed into another prime (104011041581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52005520760 + 52005520761.

It is an arithmetic number, because the mean of its divisors is an integer number (52005520761).

Almost surely, 2^104011041521 is an apocalyptic number.

It is an amenable number.

104011041521 is a deficient number, since it is larger than the sum of its proper divisors (1).

104011041521 is an equidigital number, since it uses as much as digits as its factorization.

104011041521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 104011041521 its reverse (125140110401), we get a palindrome (229151151922).

The spelling of 104011041521 in words is "one hundred four billion, eleven million, forty-one thousand, five hundred twenty-one".