109648545665761 has 8 divisors (see below), whose sum is σ = 110002103138304. Its totient is φ = 109294994538720.

The previous prime is 109648545665693. The next prime is 109648545665783. The reversal of 109648545665761 is 167566545846901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109648545665761 - 2⁴⁵ = 74464173576929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109648545665261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34338141 + ... + 37395253.

It is an arithmetic number, because the mean of its divisors is an integer number (13750262892288).

Almost surely, 2^{109648545665761} is an apocalyptic number.

It is an amenable number.

109648545665761 is a deficient number, since it is larger than the sum of its proper divisors (353557472543).

109648545665761 is a wasteful number, since it uses less digits than its factorization.

109648545665761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172751.

The product of its (nonzero) digits is 1306368000, while the sum is 73.

The spelling of 109648545665761 in words is "one hundred nine trillion, six hundred forty-eight billion, five hundred forty-five million, six hundred sixty-five thousand, seven hundred sixty-one".