11120642165 has 8 divisors (see below), whose sum is σ = 13345393848. Its totient is φ = 8896098240.

The previous prime is 11120642147. The next prime is 11120642179. The reversal of 11120642165 is 56124602111.

It can be written as a sum of positive squares in 4 ways, for example, as 540051121 + 10580591044 = 23239^2 + 102862^2 .

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

It is not a de Polignac number, because 11120642165 - 2¹⁴ = 11120625781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114059 + ... + 187751.

It is an arithmetic number, because the mean of its divisors is an integer number (1668174231).

Almost surely, 2^11120642165 is an apocalyptic number.

It is an amenable number.

11120642165 is a deficient number, since it is larger than the sum of its proper divisors (2224751683).

11120642165 is an equidigital number, since it uses as much as digits as its factorization.

11120642165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103879.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 11120642165 in words is "eleven billion, one hundred twenty million, six hundred forty-two thousand, one hundred sixty-five".