13120126311560 has 16 divisors (see below), whose sum is σ = 29520284201100. Its totient is φ = 5248050524608.

The previous prime is 13120126311431. The next prime is 13120126311571. The reversal of 13120126311560 is 6511362102131.

It can be written as a sum of positive squares in 2 ways, for example, as 12992232816676 + 127893494884 = 3604474^2 + 357622^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164001578855 + ... + 164001578934.

Almost surely, 2^{13120126311560} is an apocalyptic number.

13120126311560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120126311560 is an abundant number, since it is smaller than the sum of its proper divisors (16400157889540).

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

13120126311560 is a wasteful number, since it uses less digits than its factorization.

13120126311560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328003157800 (or 328003157796 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 13120126311560 its reverse (6511362102131), we get a palindrome (19631488413691).

The spelling of 13120126311560 in words is "thirteen trillion, one hundred twenty billion, one hundred twenty-six million, three hundred eleven thousand, five hundred sixty".