109534801665 has 32 divisors (see below), whose sum is σ = 183821990400. Its totient is φ = 55630312704.

The previous prime is 109534801657. The next prime is 109534801699. The reversal of 109534801665 is 566108435901.

It is not a de Polignac number, because 109534801665 - 2³ = 109534801657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2073490 + ... + 2125659.

It is an arithmetic number, because the mean of its divisors is an integer number (5744437200).

Almost surely, 2^109534801665 is an apocalyptic number.

109534801665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109534801665 is a deficient number, since it is larger than the sum of its proper divisors (74287188735).

109534801665 is a wasteful number, since it uses less digits than its factorization.

109534801665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199241.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 109534801665 in words is "one hundred nine billion, five hundred thirty-four million, eight hundred one thousand, six hundred sixty-five".