12311165545365 has 32 divisors (see below), whose sum is σ = 20757157171200. Its totient is φ = 6213609610560.

The previous prime is 12311165545309. The next prime is 12311165545369. The reversal of 12311165545365 is 56354556111321.

12311165545365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12311165545365 - 2⁴⁰ = 11211653917589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311165545369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23240301 + ... + 23764130.

It is an arithmetic number, because the mean of its divisors is an integer number (648661161600).

Almost surely, 2^{12311165545365} is an apocalyptic number.

12311165545365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12311165545365 is a deficient number, since it is larger than the sum of its proper divisors (8445991625835).

12311165545365 is a wasteful number, since it uses less digits than its factorization.

12311165545365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47005377.

The product of its digits is 1620000, while the sum is 48.

The spelling of 12311165545365 in words is "twelve trillion, three hundred eleven billion, one hundred sixty-five million, five hundred forty-five thousand, three hundred sixty-five".