10505585539 has 2 divisors, whose sum is σ = 10505585540. Its totient is φ = 10505585538.

The previous prime is 10505585537. The next prime is 10505585551. The reversal of 10505585539 is 93558550501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10505585539 - 2¹ = 10505585537 is a prime.

It is a super-2 number, since 2×10505585539² (a number of 21 digits) contains 22 as substring.

Together with 10505585537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10505585537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252792769 + 5252792770.

It is an arithmetic number, because the mean of its divisors is an integer number (5252792770).

Almost surely, 2^10505585539 is an apocalyptic number.

10505585539 is a deficient number, since it is larger than the sum of its proper divisors (1).

10505585539 is an equidigital number, since it uses as much as digits as its factorization.

10505585539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675000, while the sum is 46.

The spelling of 10505585539 in words is "ten billion, five hundred five million, five hundred eighty-five thousand, five hundred thirty-nine".