105520587505 has 16 divisors (see below), whose sum is σ = 128263129344. Its totient is φ = 83329805440.

The previous prime is 105520587499. The next prime is 105520587539. The reversal of 105520587505 is 505785025501.

It is not a de Polignac number, because 105520587505 - 2²¹ = 105518490353 is a prime.

It is a super-2 number, since 2×105520587505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200617 + ... + 501286.

It is an arithmetic number, because the mean of its divisors is an integer number (8016445584).

Almost surely, 2^105520587505 is an apocalyptic number.

It is an amenable number.

105520587505 is a deficient number, since it is larger than the sum of its proper divisors (22742541839).

105520587505 is a wasteful number, since it uses less digits than its factorization.

105520587505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702296.

The product of its (nonzero) digits is 350000, while the sum is 43.

The spelling of 105520587505 in words is "one hundred five billion, five hundred twenty million, five hundred eighty-seven thousand, five hundred five".