112778225556 has 96 divisors (see below), whose sum is σ = 290306322432. Its totient is φ = 33919864320.

The previous prime is 112778225503. The next prime is 112778225557. The reversal of 112778225556 is 655522877211.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 112778225499 and 112778225508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112778225557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593335 + ... + 760001.

It is an arithmetic number, because the mean of its divisors is an integer number (3024024192).

Almost surely, 2^112778225556 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 112778225556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145153161216).

112778225556 is an abundant number, since it is smaller than the sum of its proper divisors (177528096876).

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

112778225556 is a wasteful number, since it uses less digits than its factorization.

112778225556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166829 (or 166827 counting only the distinct ones).

The product of its digits is 2352000, while the sum is 51.

The spelling of 112778225556 in words is "one hundred twelve billion, seven hundred seventy-eight million, two hundred twenty-five thousand, five hundred fifty-six".