11454216165 has 24 divisors (see below), whose sum is σ = 22690257408. Its totient is φ = 5236212960.

The previous prime is 11454216161. The next prime is 11454216199. The reversal of 11454216165 is 56161245411.

11454216165 is a `hidden beast` number, since 1 + 14 + 5 + 4 + 21 + 616 + 5 = 666.

It is not a de Polignac number, because 11454216165 - 2² = 11454216161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11454216161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18180981 + ... + 18181610.

It is an arithmetic number, because the mean of its divisors is an integer number (945427392).

Almost surely, 2^11454216165 is an apocalyptic number.

11454216165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11454216165 is a deficient number, since it is larger than the sum of its proper divisors (11236041243).

11454216165 is a wasteful number, since it uses less digits than its factorization.

11454216165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36362609 (or 36362606 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The spelling of 11454216165 in words is "eleven billion, four hundred fifty-four million, two hundred sixteen thousand, one hundred sixty-five".