105603547287 has 8 divisors (see below), whose sum is σ = 160919691136. Its totient is φ = 60344884152.

The previous prime is 105603547267. The next prime is 105603547289. The reversal of 105603547287 is 782745306501.

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

It is not a de Polignac number, because 105603547287 - 2²⁰ = 105602498711 is a prime.

It is a super-2 number, since 2×105603547287² (a number of 23 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 (105603547289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2514370153 + ... + 2514370194.

It is an arithmetic number, because the mean of its divisors is an integer number (20114961392).

Almost surely, 2^105603547287 is an apocalyptic number.

105603547287 is a deficient number, since it is larger than the sum of its proper divisors (55316143849).

105603547287 is an equidigital number, since it uses as much as digits as its factorization.

105603547287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028740357.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 105603547287 in words is "one hundred five billion, six hundred three million, five hundred forty-seven thousand, two hundred eighty-seven".