12165500053 has 16 divisors (see below), whose sum is σ = 14149058560. Its totient is φ = 10244946096.

The previous prime is 12165500051. The next prime is 12165500059. The reversal of 12165500053 is 35000556121.

It is not a de Polignac number, because 12165500053 - 2¹ = 12165500051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12165499994 and 12165500030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12165500051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25138 + ... + 157996.

It is an arithmetic number, because the mean of its divisors is an integer number (884316160).

Almost surely, 2^12165500053 is an apocalyptic number.

It is an amenable number.

12165500053 is a deficient number, since it is larger than the sum of its proper divisors (1983558507).

12165500053 is a wasteful number, since it uses less digits than its factorization.

12165500053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133096.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 12165500053 in words is "twelve billion, one hundred sixty-five million, five hundred thousand, fifty-three".