105412152225 has 24 divisors (see below), whose sum is σ = 174473689120. Its totient is φ = 56157793920.

The previous prime is 105412152163. The next prime is 105412152233. The reversal of 105412152225 is 522251214501.

It is not a de Polignac number, because 105412152225 - 2¹² = 105412148129 is a prime.

It is a super-2 number, since 2×105412152225² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105412152192 and 105412152201.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 706780 + ... + 842829.

Almost surely, 2^105412152225 is an apocalyptic number.

105412152225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105412152225 is a deficient number, since it is larger than the sum of its proper divisors (69061536895).

105412152225 is a wasteful number, since it uses less digits than its factorization.

105412152225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550529 (or 1550524 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 105412152225 its reverse (522251214501), we get a palindrome (627663366726).

The spelling of 105412152225 in words is "one hundred five billion, four hundred twelve million, one hundred fifty-two thousand, two hundred twenty-five".