111846856345 has 24 divisors (see below), whose sum is σ = 156150210888. Its totient is φ = 76684608000.

The previous prime is 111846856337. The next prime is 111846856349. The reversal of 111846856345 is 543658648111.

It can be written as a sum of positive squares in 4 ways, for example, as 875923216 + 110970933129 = 29596^2 + 333123^2 .

It is not a de Polignac number, because 111846856345 - 2³ = 111846856337 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 111846856292 and 111846856301.

It is not an unprimeable number, because it can be changed into a prime (111846856349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2075745 + ... + 2128945.

It is an arithmetic number, because the mean of its divisors is an integer number (6506258787).

Almost surely, 2^111846856345 is an apocalyptic number.

It is an amenable number.

111846856345 is a deficient number, since it is larger than the sum of its proper divisors (44303354543).

111846856345 is an equidigital number, since it uses as much as digits as its factorization.

111846856345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61801 (or 61794 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 52.

The spelling of 111846856345 in words is "one hundred eleven billion, eight hundred forty-six million, eight hundred fifty-six thousand, three hundred forty-five".