111848641 has 4 divisors (see below), whose sum is σ = 111898800. Its totient is φ = 111798484.

The previous prime is 111848617. The next prime is 111848647. The reversal of 111848641 is 146848111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146848111 = 6199 ⋅23689.

It is a cyclic number.

It is not a de Polignac number, because 111848641 - 2²¹ = 109751489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111848597 and 111848606.

It is not an unprimeable number, because it can be changed into a prime (111848647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21571 + ... + 26248.

It is an arithmetic number, because the mean of its divisors is an integer number (27974700).

Almost surely, 2^111848641 is an apocalyptic number.

It is an amenable number.

111848641 is a deficient number, since it is larger than the sum of its proper divisors (50159).

111848641 is an equidigital number, since it uses as much as digits as its factorization.

111848641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50158.

The product of its digits is 6144, while the sum is 34.

The square root of 111848641 is about 10575.8517860265. The cubic root of 111848641 is about 481.8112140389.

The spelling of 111848641 in words is "one hundred eleven million, eight hundred forty-eight thousand, six hundred forty-one".