13112031235064 has 64 divisors (see below), whose sum is σ = 25713870336000. Its totient is φ = 6256334747520.

The previous prime is 13112031235063. The next prime is 13112031235073. The reversal of 13112031235064 is 46053213021131.

It is a self number, because there is not a number n which added to its sum of digits gives 13112031235064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112031235063) 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, 836271977 + ... + 836287655.

It is an arithmetic number, because the mean of its divisors is an integer number (401779224000).

Almost surely, 2^{13112031235064} is an apocalyptic number.

It is an amenable number.

13112031235064 is a deficient number, since it is larger than the sum of its proper divisors (12601839100936).

13112031235064 is a wasteful number, since it uses less digits than its factorization.

13112031235064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26028 (or 26024 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 13112031235064 its reverse (46053213021131), we get a palindrome (59165244256195).

The spelling of 13112031235064 in words is "thirteen trillion, one hundred twelve billion, thirty-one million, two hundred thirty-five thousand, sixty-four".