109385155 has 16 divisors (see below), whose sum is σ = 144154368. Its totient is φ = 79020000.

The previous prime is 109385153. The next prime is 109385201. The reversal of 109385155 is 551583901.

It is not a de Polignac number, because 109385155 - 2¹ = 109385153 is a prime.

It is a super-2 number, since 2×109385155² = 23930224268748050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109385153) 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, 1720 + ... + 14890.

It is an arithmetic number, because the mean of its divisors is an integer number (9009648).

Almost surely, 2^109385155 is an apocalyptic number.

109385155 is a deficient number, since it is larger than the sum of its proper divisors (34769213).

109385155 is a wasteful number, since it uses less digits than its factorization.

109385155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13338.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 109385155 is about 10458.7358222684. The cubic root of 109385155 is about 478.2475958569.

The spelling of 109385155 in words is "one hundred nine million, three hundred eighty-five thousand, one hundred fifty-five".