109755973992 has 128 divisors (see below), whose sum is σ = 314827223040. Its totient is φ = 31235255040.

The previous prime is 109755973913. The next prime is 109755973997. The reversal of 109755973992 is 299379557901.

It is not an unprimeable number, because it can be changed into a prime (109755973997) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 85947658 + ... + 85948934.

It is an arithmetic number, because the mean of its divisors is an integer number (2459587680).

Almost surely, 2^109755973992 is an apocalyptic number.

109755973992 is a gapful number since it is divisible by the number (12) 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 109755973992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157413611520).

109755973992 is an abundant number, since it is smaller than the sum of its proper divisors (205071249048).

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

109755973992 is a wasteful number, since it uses less digits than its factorization.

109755973992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 2907 counting only the distinct ones).

The product of its (nonzero) digits is 48223350, while the sum is 66.

The spelling of 109755973992 in words is "one hundred nine billion, seven hundred fifty-five million, nine hundred seventy-three thousand, nine hundred ninety-two".