109683448697472 has 128 divisors (see below), whose sum is σ = 321410575523520. Its totient is φ = 32925613056000.

The previous prime is 109683448697447. The next prime is 109683448697491. The reversal of 109683448697472 is 274796844386901.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (78).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267744654 + ... + 268153997.

Almost surely, 2^{109683448697472} is an apocalyptic number.

109683448697472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109683448697472 is an abundant number, since it is smaller than the sum of its proper divisors (211727126826048).

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

109683448697472 is a wasteful number, since it uses less digits than its factorization.

109683448697472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535898722 (or 535898710 counting only the distinct ones).

The product of its (nonzero) digits is 3511517184, while the sum is 78.

The spelling of 109683448697472 in words is "one hundred nine trillion, six hundred eighty-three billion, four hundred forty-eight million, six hundred ninety-seven thousand, four hundred seventy-two".