10505005087 has 2 divisors, whose sum is σ = 10505005088. Its totient is φ = 10505005086.

The previous prime is 10505004977. The next prime is 10505005097. The reversal of 10505005087 is 78050050501.

It is a strong prime.

It is an emirp because it is prime and its reverse (78050050501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10505005087 - 2¹⁵ = 10504972319 is a prime.

It is a super-2 number, since 2×10505005087² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10505005097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252502543 + 5252502544.

It is an arithmetic number, because the mean of its divisors is an integer number (5252502544).

Almost surely, 2^10505005087 is an apocalyptic number.

10505005087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10505005087 is an equidigital number, since it uses as much as digits as its factorization.

10505005087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 31.

Adding to 10505005087 its reverse (78050050501), we get a palindrome (88555055588).

The spelling of 10505005087 in words is "ten billion, five hundred five million, five thousand, eighty-seven".