10518500401 has 2 divisors, whose sum is σ = 10518500402. Its totient is φ = 10518500400.

The previous prime is 10518500387. The next prime is 10518500417. The reversal of 10518500401 is 10400581501.

It is a happy number.

10518500401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6873239025 + 3645261376 = 82905^2 + 60376^2 .

It is an emirp because it is prime and its reverse (10400581501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10518500401 - 2⁹ = 10518499889 is a prime.

It is a super-2 number, since 2×10518500401² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10518530401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5259250200 + 5259250201.

It is an arithmetic number, because the mean of its divisors is an integer number (5259250201).

Almost surely, 2^10518500401 is an apocalyptic number.

It is an amenable number.

10518500401 is a deficient number, since it is larger than the sum of its proper divisors (1).

10518500401 is an equidigital number, since it uses as much as digits as its factorization.

10518500401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 25.

The spelling of 10518500401 in words is "ten billion, five hundred eighteen million, five hundred thousand, four hundred one".