109649776056 has 64 divisors (see below), whose sum is σ = 281923804800. Its totient is φ = 35518643328.

The previous prime is 109649776051. The next prime is 109649776097. The reversal of 109649776056 is 650677946901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109649776051) 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 15 ways as a sum of consecutive naturals, for example, 66366 + ... + 472973.

It is an arithmetic number, because the mean of its divisors is an integer number (4405059450).

Almost surely, 2^109649776056 is an apocalyptic number.

It is an amenable number.

109649776056 is an abundant number, since it is smaller than the sum of its proper divisors (172274028744).

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

109649776056 is a wasteful number, since it uses less digits than its factorization.

109649776056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539588 (or 539584 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 109649776056 in words is "one hundred nine billion, six hundred forty-nine million, seven hundred seventy-six thousand, fifty-six".