109252663217 has 4 divisors (see below), whose sum is σ = 109289439216. Its totient is φ = 109215887220.

The previous prime is 109252663181. The next prime is 109252663243. The reversal of 109252663217 is 712366252901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109252663217 - 2¹⁸ = 109252401073 is a prime.

It is a super-2 number, since 2×109252663217² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109252666217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18383543 + ... + 18389484.

It is an arithmetic number, because the mean of its divisors is an integer number (27322359804).

Almost surely, 2^109252663217 is an apocalyptic number.

It is an amenable number.

109252663217 is a deficient number, since it is larger than the sum of its proper divisors (36775999).

109252663217 is an equidigital number, since it uses as much as digits as its factorization.

109252663217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36775998.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 109252663217 in words is "one hundred nine billion, two hundred fifty-two million, six hundred sixty-three thousand, two hundred seventeen".