109638836901 has 32 divisors (see below), whose sum is σ = 178819766400. Its totient is φ = 65838147840.

The previous prime is 109638836861. The next prime is 109638836911.

109638836901 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 109638836901 - 2⁶ = 109638836837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109638836911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1660996 + ... + 1725741.

It is an arithmetic number, because the mean of its divisors is an integer number (5588117700).

Almost surely, 2^109638836901 is an apocalyptic number.

109638836901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

109638836901 is a deficient number, since it is larger than the sum of its proper divisors (69180929499).

109638836901 is a wasteful number, since it uses less digits than its factorization.

109638836901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386866 (or 3386860 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 109638836901 in words is "one hundred nine billion, six hundred thirty-eight million, eight hundred thirty-six thousand, nine hundred one".