109986075655 has 4 divisors (see below), whose sum is σ = 131983290792. Its totient is φ = 87988860520.

The previous prime is 109986075611. The next prime is 109986075677. The reversal of 109986075655 is 556570689901.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 109986075655 - 2¹⁷ = 109985944583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109986075593 and 109986075602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10998607561 + ... + 10998607570.

It is an arithmetic number, because the mean of its divisors is an integer number (32995822698).

Almost surely, 2^109986075655 is an apocalyptic number.

109986075655 is a deficient number, since it is larger than the sum of its proper divisors (21997215137).

109986075655 is an equidigital number, since it uses as much as digits as its factorization.

109986075655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21997215136.

The product of its (nonzero) digits is 20412000, while the sum is 61.

The spelling of 109986075655 in words is "one hundred nine billion, nine hundred eighty-six million, seventy-five thousand, six hundred fifty-five".