109369855 has 16 divisors (see below), whose sum is σ = 153483264. Its totient is φ = 73251360.

The previous prime is 109369831. The next prime is 109369859. The reversal of 109369855 is 558963901.

It is not a de Polignac number, because 109369855 - 2¹⁷ = 109238783 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 (109369859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34831 + ... + 37840.

It is an arithmetic number, because the mean of its divisors is an integer number (9592704).

Almost surely, 2^109369855 is an apocalyptic number.

109369855 is a deficient number, since it is larger than the sum of its proper divisors (44113409).

109369855 is an equidigital number, since it uses as much as digits as its factorization.

109369855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72726.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 109369855 is about 10458.0043507354. The cubic root of 109369855 is about 478.2252968853.

It can be divided in two parts, 109369 and 855, that added together give a square (110224 = 332²).

The spelling of 109369855 in words is "one hundred nine million, three hundred sixty-nine thousand, eight hundred fifty-five".