105005515077487 has 8 divisors (see below), whose sum is σ = 105027555004416. Its totient is φ = 104983475825592.

The previous prime is 105005515077413. The next prime is 105005515077517. The reversal of 105005515077487 is 784770515500501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105005515077487 - 2³⁹ = 104455759263599 is a prime.

It is a super-2 number, since 2×105005515077487² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105005515077887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417279978 + ... + 417531544.

It is an arithmetic number, because the mean of its divisors is an integer number (13128444375552).

Almost surely, 2^{105005515077487} is an apocalyptic number.

105005515077487 is a deficient number, since it is larger than the sum of its proper divisors (22039926929).

105005515077487 is an equidigital number, since it uses as much as digits as its factorization.

105005515077487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337517.

The product of its (nonzero) digits is 6860000, while the sum is 55.

The spelling of 105005515077487 in words is "one hundred five trillion, five billion, five hundred fifteen million, seventy-seven thousand, four hundred eighty-seven".