41121021503 has 2 divisors, whose sum is σ = 41121021504. Its totient is φ = 41121021502.

The previous prime is 41121021467. The next prime is 41121021509. The reversal of 41121021503 is 30512012114.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41121021503 - 2²⁶ = 41053912639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41121021509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20560510751 + 20560510752.

It is an arithmetic number, because the mean of its divisors is an integer number (20560510752).

Almost surely, 2^41121021503 is an apocalyptic number.

41121021503 is a deficient number, since it is larger than the sum of its proper divisors (1).

41121021503 is an equidigital number, since it uses as much as digits as its factorization.

41121021503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 41121021503 its reverse (30512012114), we get a palindrome (71633033617).

The spelling of 41121021503 in words is "forty-one billion, one hundred twenty-one million, twenty-one thousand, five hundred three".