109891355 has 16 divisors (see below), whose sum is σ = 157261824. Its totient is φ = 72077280.

The previous prime is 109891351. The next prime is 109891361. The reversal of 109891355 is 553198901.

It is not a de Polignac number, because 109891355 - 2² = 109891351 is a prime.

It is a super-2 number, since 2×109891355² = 24152219807472050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109891351) 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, 67451 + ... + 69060.

It is an arithmetic number, because the mean of its divisors is an integer number (9828864).

Almost surely, 2^109891355 is an apocalyptic number.

109891355 is a deficient number, since it is larger than the sum of its proper divisors (47370469).

109891355 is a wasteful number, since it uses less digits than its factorization.

109891355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136546.

The product of its (nonzero) digits is 48600, while the sum is 41.

The square root of 109891355 is about 10482.9077550077. The cubic root of 109891355 is about 478.9841871341.

The spelling of 109891355 in words is "one hundred nine million, eight hundred ninety-one thousand, three hundred fifty-five".