11615165165 has 8 divisors (see below), whose sum is σ = 13969950720. Its totient is φ = 9270963792.

The previous prime is 11615165161. The next prime is 11615165183. The reversal of 11615165165 is 56156151611.

It is a happy number.

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 11615165165 - 2² = 11615165161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11615165161) 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, 2643629 + ... + 2648018.

It is an arithmetic number, because the mean of its divisors is an integer number (1746243840).

Almost surely, 2^11615165165 is an apocalyptic number.

It is an amenable number.

11615165165 is a deficient number, since it is larger than the sum of its proper divisors (2354785555).

11615165165 is an equidigital number, since it uses as much as digits as its factorization.

11615165165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292091.

The product of its digits is 27000, while the sum is 38.

The spelling of 11615165165 in words is "eleven billion, six hundred fifteen million, one hundred sixty-five thousand, one hundred sixty-five".