13388111513288 has 8 divisors (see below), whose sum is σ = 25102709087430. Its totient is φ = 6694055756640.

The previous prime is 13388111513251. The next prime is 13388111513333. The reversal of 13388111513288 is 88231511188331.

It can be written as a sum of positive squares in only one way, i.e., 10984067465284 + 2404044048004 = 3314222^2 + 1550498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836756969573 + ... + 836756969588.

Almost surely, 2^{13388111513288} is an apocalyptic number.

It is an amenable number.

13388111513288 is a deficient number, since it is larger than the sum of its proper divisors (11714597574142).

13388111513288 is a wasteful number, since it uses less digits than its factorization.

13388111513288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673513939167 (or 1673513939163 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 53.

The spelling of 13388111513288 in words is "thirteen trillion, three hundred eighty-eight billion, one hundred eleven million, five hundred thirteen thousand, two hundred eighty-eight".