111736155648 has 160 divisors (see below), whose sum is σ = 320939521056. Its totient is φ = 34340732928.

The previous prime is 111736155617. The next prime is 111736155653. The reversal of 111736155648 is 846551637111.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 111736155597 and 111736155606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20624236 + ... + 20629652.

Almost surely, 2^111736155648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111736155648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160469760528).

111736155648 is an abundant number, since it is smaller than the sum of its proper divisors (209203365408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111736155648 is a wasteful number, since it uses less digits than its factorization.

111736155648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6484 (or 6468 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The spelling of 111736155648 in words is "one hundred eleven billion, seven hundred thirty-six million, one hundred fifty-five thousand, six hundred forty-eight".