109109117948 has 12 divisors (see below), whose sum is σ = 191375904720. Its totient is φ = 54430288032.

The previous prime is 109109117947. The next prime is 109109117963. The reversal of 109109117948 is 849711901901.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 109109117896 and 109109117905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109109117941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31065761 + ... + 31069272.

It is an arithmetic number, because the mean of its divisors is an integer number (15947992060).

Almost surely, 2^109109117948 is an apocalyptic number.

It is an amenable number.

109109117948 is a deficient number, since it is larger than the sum of its proper divisors (82266786772).

109109117948 is a wasteful number, since it uses less digits than its factorization.

109109117948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62135476 (or 62135474 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 50.

The spelling of 109109117948 in words is "one hundred nine billion, one hundred nine million, one hundred seventeen thousand, nine hundred forty-eight".