112545621100 has 108 divisors (see below), whose sum is σ = 272996199000. Its totient is φ = 40231769600.

The previous prime is 112545621073. The next prime is 112545621121. The reversal of 112545621100 is 1126545211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 635076 + ... + 792724.

Almost surely, 2^112545621100 is an apocalyptic number.

112545621100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112545621100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136498099500).

112545621100 is an abundant number, since it is smaller than the sum of its proper divisors (160450577900).

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

112545621100 is a wasteful number, since it uses less digits than its factorization.

112545621100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157744 (or 157726 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 112545621100 in words is "one hundred twelve billion, five hundred forty-five million, six hundred twenty-one thousand, one hundred".