105503052599 has 4 divisors (see below), whose sum is σ = 120574917264. Its totient is φ = 90431187936.

The previous prime is 105503052593. The next prime is 105503052619. The reversal of 105503052599 is 995250305501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105503052599 - 2⁴ = 105503052583 is a prime.

It is a super-3 number, since 3×105503052599³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105503052593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7535932322 + ... + 7535932335.

It is an arithmetic number, because the mean of its divisors is an integer number (30143729316).

Almost surely, 2^105503052599 is an apocalyptic number.

105503052599 is a deficient number, since it is larger than the sum of its proper divisors (15071864665).

105503052599 is an equidigital number, since it uses as much as digits as its factorization.

105503052599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15071864664.

The product of its (nonzero) digits is 303750, while the sum is 44.

The spelling of 105503052599 in words is "one hundred five billion, five hundred three million, fifty-two thousand, five hundred ninety-nine".