105523528287 has 8 divisors (see below), whose sum is σ = 144500687536. Its totient is φ = 68447693952.

The previous prime is 105523528283. The next prime is 105523528303. The reversal of 105523528287 is 782825325501.

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

It is not a de Polignac number, because 105523528287 - 2² = 105523528283 is a prime.

It is a super-2 number, since 2×105523528287² (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 (105523528283) 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, 475331098 + ... + 475331319.

It is an arithmetic number, because the mean of its divisors is an integer number (18062585942).

Almost surely, 2^105523528287 is an apocalyptic number.

105523528287 is a deficient number, since it is larger than the sum of its proper divisors (38977159249).

105523528287 is an equidigital number, since it uses as much as digits as its factorization.

105523528287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950662457.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 105523528287 in words is "one hundred five billion, five hundred twenty-three million, five hundred twenty-eight thousand, two hundred eighty-seven".