109113543 has 72 divisors (see below), whose sum is σ = 203164416. Its totient is φ = 55792800.

The previous prime is 109113539. The next prime is 109113547. The reversal of 109113543 is 345311901.

109113543 is a `hidden beast` number, since 1 + 0 + 9 + 113 + 543 = 666.

It is an interprime number because it is at equal distance from previous prime (109113539) and next prime (109113547).

It is not a de Polignac number, because 109113543 - 2² = 109113539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109113547) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 402498 + ... + 402768.

It is an arithmetic number, because the mean of its divisors is an integer number (2821728).

Almost surely, 2^109113543 is an apocalyptic number.

109113543 is a deficient number, since it is larger than the sum of its proper divisors (94050873).

109113543 is a wasteful number, since it uses less digits than its factorization.

109113543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 109113543 is about 10445.7428170523. The cubic root of 109113543 is about 477.8514255537.

The spelling of 109113543 in words is "one hundred nine million, one hundred thirteen thousand, five hundred forty-three".