109431051984 has 60 divisors (see below), whose sum is σ = 309117197376. Its totient is φ = 36136105536.

The previous prime is 109431051971. The next prime is 109431052051. The reversal of 109431051984 is 489150134901.

109431051984 is a `hidden beast` number, since 1 + 0 + 9 + 43 + 10 + 519 + 84 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3535704 + ... + 3566519.

Almost surely, 2^109431051984 is an apocalyptic number.

It is an amenable number.

109431051984 is an abundant number, since it is smaller than the sum of its proper divisors (199686145392).

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

109431051984 is a wasteful number, since it uses less digits than its factorization.

109431051984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102344 (or 7102335 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 109431051984 in words is "one hundred nine billion, four hundred thirty-one million, fifty-one thousand, nine hundred eighty-four".