13111505232044 has 6 divisors (see below), whose sum is σ = 22945134156084. Its totient is φ = 6555752616020.

The previous prime is 13111505232037. The next prime is 13111505232083. The reversal of 13111505232044 is 44023250511131.

It is a self number, because there is not a number n which added to its sum of digits gives 13111505232044.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638938154002 + ... + 1638938154009.

It is an arithmetic number, because the mean of its divisors is an integer number (3824189026014).

Almost surely, 2^{13111505232044} is an apocalyptic number.

It is an amenable number.

13111505232044 is a deficient number, since it is larger than the sum of its proper divisors (9833628924040).

13111505232044 is a wasteful number, since it uses less digits than its factorization.

13111505232044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277876308015 (or 3277876308013 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 13111505232044 its reverse (44023250511131), we get a palindrome (57134755743175).

The spelling of 13111505232044 in words is "thirteen trillion, one hundred eleven billion, five hundred five million, two hundred thirty-two thousand, forty-four".