109838397056 has 32 divisors (see below), whose sum is σ = 219918324000. Its totient is φ = 54643209984.

The previous prime is 109838397041. The next prime is 109838397079. The reversal of 109838397056 is 650793838901.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 109838396986 and 109838397004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2130590 + ... + 2181533.

It is an arithmetic number, because the mean of its divisors is an integer number (6872447625).

Almost surely, 2^109838397056 is an apocalyptic number.

109838397056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109838397056 is an abundant number, since it is smaller than the sum of its proper divisors (110079926944).

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

109838397056 is an equidigital number, since it uses as much as digits as its factorization.

109838397056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312336 (or 4312324 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 109838397056 in words is "one hundred nine billion, eight hundred thirty-eight million, three hundred ninety-seven thousand, fifty-six".