109435934178 has 48 divisors (see below), whose sum is σ = 244433348640. Its totient is φ = 35369099712.

The previous prime is 109435934161. The next prime is 109435934183. The reversal of 109435934178 is 871439534901.

109435934178 is a `hidden beast` number, since 1 + 0 + 9 + 4 + 3 + 593 + 41 + 7 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 628276 + ... + 783327.

It is an arithmetic number, because the mean of its divisors is an integer number (5092361430).

Almost surely, 2^109435934178 is an apocalyptic number.

109435934178 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

109435934178 is an abundant number, since it is smaller than the sum of its proper divisors (134997414462).

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

109435934178 is a wasteful number, since it uses less digits than its factorization.

109435934178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411743 (or 1411740 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 109435934178 in words is "one hundred nine billion, four hundred thirty-five million, nine hundred thirty-four thousand, one hundred seventy-eight".