12365534311356 has 24 divisors (see below), whose sum is σ = 28853073691344. Its totient is φ = 4121821870720.

The previous prime is 12365534311343. The next prime is 12365534311381. The reversal of 12365534311356 is 65311343556321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536955 + ... + 5001938.

It is an arithmetic number, because the mean of its divisors is an integer number (1202211403806).

Almost surely, 2^{12365534311356} is an apocalyptic number.

It is an amenable number.

12365534311356 is an abundant number, since it is smaller than the sum of its proper divisors (16487539379988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12365534311356 is a wasteful number, since it uses less digits than its factorization.

12365534311356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724941 (or 5724939 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 48.

Adding to 12365534311356 its reverse (65311343556321), we get a palindrome (77676877867677).

The spelling of 12365534311356 in words is "twelve trillion, three hundred sixty-five billion, five hundred thirty-four million, three hundred eleven thousand, three hundred fifty-six".