105436421504 has 16 divisors (see below), whose sum is σ = 210049121220. Its totient is φ = 52718210688.

The previous prime is 105436421411. The next prime is 105436421527. The reversal of 105436421504 is 405124634501.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×105436421504² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411860894 + ... + 411861149.

Almost surely, 2^105436421504 is an apocalyptic number.

It is an amenable number.

105436421504 is a deficient number, since it is larger than the sum of its proper divisors (104612699716).

105436421504 is an frugal number, since it uses more digits than its factorization.

105436421504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823722057 (or 823722045 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 105436421504 in words is "one hundred five billion, four hundred thirty-six million, four hundred twenty-one thousand, five hundred four".