10421043511 has 2 divisors, whose sum is σ = 10421043512. Its totient is φ = 10421043510.

The previous prime is 10421043491. The next prime is 10421043517. The reversal of 10421043511 is 11534012401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10421043511 - 2⁷ = 10421043383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10421043517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210521755 + 5210521756.

It is an arithmetic number, because the mean of its divisors is an integer number (5210521756).

Almost surely, 2^10421043511 is an apocalyptic number.

10421043511 is a deficient number, since it is larger than the sum of its proper divisors (1).

10421043511 is an equidigital number, since it uses as much as digits as its factorization.

10421043511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 10421043511 its reverse (11534012401), we get a palindrome (21955055912).

The spelling of 10421043511 in words is "ten billion, four hundred twenty-one million, forty-three thousand, five hundred eleven".