105545604487 has 16 divisors (see below), whose sum is σ = 110535516000. Its totient is φ = 100646500864.

The previous prime is 105545604469. The next prime is 105545604499. The reversal of 105545604487 is 784406545501.

It is a cyclic number.

It is not a de Polignac number, because 105545604487 - 2¹¹ = 105545602439 is a prime.

It is a super-2 number, since 2×105545604487² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105545604487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105545604187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11763339 + ... + 11772307.

It is an arithmetic number, because the mean of its divisors is an integer number (6908469750).

Almost surely, 2^105545604487 is an apocalyptic number.

105545604487 is a deficient number, since it is larger than the sum of its proper divisors (4989911513).

105545604487 is an equidigital number, since it uses as much as digits as its factorization.

105545604487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970.

The product of its (nonzero) digits is 2688000, while the sum is 49.

The spelling of 105545604487 in words is "one hundred five billion, five hundred forty-five million, six hundred four thousand, four hundred eighty-seven".