112105323521 has 8 divisors (see below), whose sum is σ = 115549747104. Its totient is φ = 108698960160.

The previous prime is 112105323493. The next prime is 112105323557. The reversal of 112105323521 is 125323501211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112105323521 - 2⁶ = 112105323457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112105326521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9509075 + ... + 9520856.

It is an arithmetic number, because the mean of its divisors is an integer number (14443718388).

Almost surely, 2^112105323521 is an apocalyptic number.

It is an amenable number.

112105323521 is a deficient number, since it is larger than the sum of its proper divisors (3444423583).

112105323521 is a wasteful number, since it uses less digits than its factorization.

112105323521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19030111.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 112105323521 its reverse (125323501211), we get a palindrome (237428824732).

The spelling of 112105323521 in words is "one hundred twelve billion, one hundred five million, three hundred twenty-three thousand, five hundred twenty-one".