1109680488894 has 24 divisors (see below), whose sum is σ = 2320050329352. Its totient is φ = 353811169360.

The previous prime is 1109680488881. The next prime is 1109680488899. The reversal of 1109680488894 is 4988840869011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109680488899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174804717 + ... + 174811064.

It is an arithmetic number, because the mean of its divisors is an integer number (96668763723).

Almost surely, 2^{1109680488894} is an apocalyptic number.

1109680488894 is an abundant number, since it is smaller than the sum of its proper divisors (1210369840458).

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

1109680488894 is a wasteful number, since it uses less digits than its factorization.

1109680488894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349615832 (or 349615809 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 66.

The spelling of 1109680488894 in words is "one trillion, one hundred nine billion, six hundred eighty million, four hundred eighty-eight thousand, eight hundred ninety-four".