109981755 has 48 divisors (see below), whose sum is σ = 217395360. Its totient is φ = 50955264.

The previous prime is 109981741. The next prime is 109981757. The reversal of 109981755 is 557189901.

It is not a de Polignac number, because 109981755 - 2⁸ = 109981499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 109981755.

It is not an unprimeable number, because it can be changed into a prime (109981757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4416 + ... + 15474.

It is an arithmetic number, because the mean of its divisors is an integer number (4529070).

Almost surely, 2^109981755 is an apocalyptic number.

109981755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109981755 is a deficient number, since it is larger than the sum of its proper divisors (107413605).

109981755 is a wasteful number, since it uses less digits than its factorization.

109981755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100 (or 11097 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The square root of 109981755 is about 10487.2186493846. The cubic root of 109981755 is about 479.1154934975.

The spelling of 109981755 in words is "one hundred nine million, nine hundred eighty-one thousand, seven hundred fifty-five".