109816923133448 has 64 divisors (see below), whose sum is σ = 212791300603200. Its totient is φ = 53098032556800.

The previous prime is 109816923133441. The next prime is 109816923133507. The reversal of 109816923133448 is 844331329618901.

It is a happy number.

It is a Cunningham number, because it is equal to 10479357²-1.

It is not an unprimeable number, because it can be changed into a prime (109816923133441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901163690 + ... + 901285542.

It is an arithmetic number, because the mean of its divisors is an integer number (3324864071925).

Almost surely, 2^{109816923133448} is an apocalyptic number.

It is an amenable number.

109816923133448 is a deficient number, since it is larger than the sum of its proper divisors (102974377469752).

109816923133448 is a wasteful number, since it uses less digits than its factorization.

109816923133448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147942 (or 147938 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 109816923133448 in words is "one hundred nine trillion, eight hundred sixteen billion, nine hundred twenty-three million, one hundred thirty-three thousand, four hundred forty-eight".