105436421625 has 16 divisors (see below), whose sum is σ = 175446206208. Its totient is φ = 56232758000.

The previous prime is 105436421611. The next prime is 105436421647. The reversal of 105436421625 is 526124634501.

It is not a de Polignac number, because 105436421625 - 2⁸ = 105436421369 is a prime.

It is a super-2 number, since 2×105436421625² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140581521 + ... + 140582270.

It is an arithmetic number, because the mean of its divisors is an integer number (10965387888).

Almost surely, 2^105436421625 is an apocalyptic number.

105436421625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105436421625 is a deficient number, since it is larger than the sum of its proper divisors (70009784583).

105436421625 is an equidigital number, since it uses as much as digits as its factorization.

105436421625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281163809 (or 281163799 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 105436421625 in words is "one hundred five billion, four hundred thirty-six million, four hundred twenty-one thousand, six hundred twenty-five".