111245425445 has 24 divisors (see below), whose sum is σ = 169406767008. Its totient is φ = 69347796000.

The previous prime is 111245425433. The next prime is 111245425453. The reversal of 111245425445 is 544524542111.

It is a de Polignac number, because none of the positive numbers 2^k-111245425445 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111245425399 and 111245425408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20636531 + ... + 20641920.

It is an arithmetic number, because the mean of its divisors is an integer number (7058615292).

Almost surely, 2^111245425445 is an apocalyptic number.

It is an amenable number.

111245425445 is a deficient number, since it is larger than the sum of its proper divisors (58161341563).

111245425445 is a wasteful number, since it uses less digits than its factorization.

111245425445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41278481 (or 41278474 counting only the distinct ones).

The product of its digits is 128000, while the sum is 38.

Adding to 111245425445 its reverse (544524542111), we get a palindrome (655769967556).

The spelling of 111245425445 in words is "one hundred eleven billion, two hundred forty-five million, four hundred twenty-five thousand, four hundred forty-five".