112155105225 has 24 divisors (see below), whose sum is σ = 195189238240. Its totient is φ = 56667841920.

The previous prime is 112155105173. The next prime is 112155105247. The reversal of 112155105225 is 522501551211.

It is not a de Polignac number, because 112155105225 - 2⁸ = 112155104969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112155105192 and 112155105201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39351244 + ... + 39354093.

Almost surely, 2^112155105225 is an apocalyptic number.

112155105225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112155105225 is a deficient number, since it is larger than the sum of its proper divisors (83034133015).

112155105225 is a wasteful number, since it uses less digits than its factorization.

112155105225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78705369 (or 78705364 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 30.

Adding to 112155105225 its reverse (522501551211), we get a palindrome (634656656436).

The spelling of 112155105225 in words is "one hundred twelve billion, one hundred fifty-five million, one hundred five thousand, two hundred twenty-five".