109656811 has 16 divisors (see below), whose sum is σ = 122277600. Its totient is φ = 97504000.

The previous prime is 109656797. The next prime is 109656829. The reversal of 109656811 is 118656901.

It is not a de Polignac number, because 109656811 - 2⁵ = 109656779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109656881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98325 + ... + 99433.

It is an arithmetic number, because the mean of its divisors is an integer number (7642350).

Almost surely, 2^109656811 is an apocalyptic number.

109656811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109656811 is a deficient number, since it is larger than the sum of its proper divisors (12620789).

109656811 is a wasteful number, since it uses less digits than its factorization.

109656811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 109656811 is about 10471.7148070409. The cubic root of 109656811 is about 478.6431749057.

The spelling of 109656811 in words is "one hundred nine million, six hundred fifty-six thousand, eight hundred eleven".