13111323120522 has 48 divisors (see below), whose sum is σ = 30991489895808. Its totient is φ = 3972988501440.

The previous prime is 13111323120487. The next prime is 13111323120529. The reversal of 13111323120522 is 22502132311131.

13111323120522 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 13 + 2 + 3 + 120 + 522 = 666.

It is not an unprimeable number, because it can be changed into a prime (13111323120529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4551103 + ... + 6850925.

It is an arithmetic number, because the mean of its divisors is an integer number (645656039496).

Almost surely, 2^{13111323120522} is an apocalyptic number.

13111323120522 is an abundant number, since it is smaller than the sum of its proper divisors (17880166775286).

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

13111323120522 is a wasteful number, since it uses less digits than its factorization.

13111323120522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328635 (or 2328632 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 13111323120522 its reverse (22502132311131), we get a palindrome (35613455431653).

The spelling of 13111323120522 in words is "thirteen trillion, one hundred eleven billion, three hundred twenty-three million, one hundred twenty thousand, five hundred twenty-two".