109113831648 has 48 divisors (see below), whose sum is σ = 318248678160. Its totient is φ = 36371276928.

The previous prime is 109113831641. The next prime is 109113831733. The reversal of 109113831648 is 846138311901.

109113831648 is a `hidden beast` number, since 109 + 1 + 1 + 383 + 164 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109113831641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63143715 + ... + 63145442.

It is an arithmetic number, because the mean of its divisors is an integer number (6630180795).

Almost surely, 2^109113831648 is an apocalyptic number.

109113831648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

109113831648 is an abundant number, since it is smaller than the sum of its proper divisors (209134846512).

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

109113831648 is a wasteful number, since it uses less digits than its factorization.

109113831648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126289176 (or 126289162 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 109113831648 in words is "one hundred nine billion, one hundred thirteen million, eight hundred thirty-one thousand, six hundred forty-eight".