10505105587 has 2 divisors, whose sum is σ = 10505105588. Its totient is φ = 10505105586.

The previous prime is 10505105519. The next prime is 10505105591. The reversal of 10505105587 is 78550150501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10505105587 - 2⁷ = 10505105459 is a prime.

It is a super-2 number, since 2×10505105587² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10505106587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252552793 + 5252552794.

It is an arithmetic number, because the mean of its divisors is an integer number (5252552794).

Almost surely, 2^10505105587 is an apocalyptic number.

10505105587 is a deficient number, since it is larger than the sum of its proper divisors (1).

10505105587 is an equidigital number, since it uses as much as digits as its factorization.

10505105587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35000, while the sum is 37.

The spelling of 10505105587 in words is "ten billion, five hundred five million, one hundred five thousand, five hundred eighty-seven".