105580503287 has 12 divisors (see below), whose sum is σ = 121408454160. Its totient is φ = 89942215968.

The previous prime is 105580503283. The next prime is 105580503299. The reversal of 105580503287 is 782305085501.

It is not a de Polignac number, because 105580503287 - 2² = 105580503283 is a prime.

It is a super-2 number, since 2×105580503287² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105580503283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97862 + ... + 469827.

It is an arithmetic number, because the mean of its divisors is an integer number (10117371180).

Almost surely, 2^105580503287 is an apocalyptic number.

105580503287 is a deficient number, since it is larger than the sum of its proper divisors (15827950873).

105580503287 is an frugal number, since it uses more digits than its factorization.

105580503287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568022 (or 567859 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 44.

Adding to 105580503287 its reverse (782305085501), we get a palindrome (887885588788).

The spelling of 105580503287 in words is "one hundred five billion, five hundred eighty million, five hundred three thousand, two hundred eighty-seven".