111842406849 has 8 divisors (see below), whose sum is σ = 149125685472. Its totient is φ = 74560366400.

The previous prime is 111842406847. The next prime is 111842406859. The reversal of 111842406849 is 948604248111.

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 111842406849 - 2¹ = 111842406847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111842406798 and 111842406807.

It is not an unprimeable number, because it can be changed into a prime (111842406847) 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, 72939 + ... + 478544.

It is an arithmetic number, because the mean of its divisors is an integer number (18640710684).

Almost surely, 2^111842406849 is an apocalyptic number.

It is an amenable number.

111842406849 is a deficient number, since it is larger than the sum of its proper divisors (37283278623).

111842406849 is an equidigital number, since it uses as much as digits as its factorization.

111842406849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619087.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 111842406849 in words is "one hundred eleven billion, eight hundred forty-two million, four hundred six thousand, eight hundred forty-nine".