108611813 has 8 divisors (see below), whose sum is σ = 109486080. Its totient is φ = 107741200.

The previous prime is 108611803. The next prime is 108611821. The reversal of 108611813 is 318116801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108611813 - 2⁸ = 108611557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108611803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93788 + ... + 94938.

It is an arithmetic number, because the mean of its divisors is an integer number (13685760).

Almost surely, 2^108611813 is an apocalyptic number.

It is an amenable number.

108611813 is a deficient number, since it is larger than the sum of its proper divisors (874267).

108611813 is a wasteful number, since it uses less digits than its factorization.

108611813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 108611813 is about 10421.6991416947. The cubic root of 108611813 is about 477.1178752529.

The spelling of 108611813 in words is "one hundred eight million, six hundred eleven thousand, eight hundred thirteen".