10111011165 has 32 divisors (see below), whose sum is σ = 18089660160. Its totient is φ = 5358180672.

The previous prime is 10111011143. The next prime is 10111011191. The reversal of 10111011165 is 56111011101.

It is a happy number.

It is not a de Polignac number, because 10111011165 - 2⁵ = 10111011133 is a prime.

It is a congruent number.

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, 217329 + ... + 259718.

It is an arithmetic number, because the mean of its divisors is an integer number (565301880).

Almost surely, 2^10111011165 is an apocalyptic number.

10111011165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10111011165 is a deficient number, since it is larger than the sum of its proper divisors (7978648995).

10111011165 is a wasteful number, since it uses less digits than its factorization.

10111011165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477218 (or 477212 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

Adding to 10111011165 its reverse (56111011101), we get a palindrome (66222022266).

The spelling of 10111011165 in words is "ten billion, one hundred eleven million, eleven thousand, one hundred sixty-five".