13111201522 has 32 divisors (see below), whose sum is σ = 20990894400. Its totient is φ = 6124336128.

The previous prime is 13111201511. The next prime is 13111201531. The reversal of 13111201522 is 22510211131.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 13111201522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036854 + ... + 1049422.

It is an arithmetic number, because the mean of its divisors is an integer number (655965450).

Almost surely, 2^13111201522 is an apocalyptic number.

13111201522 is a deficient number, since it is larger than the sum of its proper divisors (7879692878).

13111201522 is a wasteful number, since it uses less digits than its factorization.

13111201522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12970.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 13111201522 its reverse (22510211131), we get a palindrome (35621412653).

The spelling of 13111201522 in words is "thirteen billion, one hundred eleven million, two hundred one thousand, five hundred twenty-two".