13143512552 has 8 divisors (see below), whose sum is σ = 24644086050. Its totient is φ = 6571756272.

The previous prime is 13143512537. The next prime is 13143512581. The reversal of 13143512552 is 25521534131.

13143512552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13026569956 + 116942596 = 114134^2 + 10814^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821469527 + ... + 821469542.

Almost surely, 2^13143512552 is an apocalyptic number.

It is an amenable number.

13143512552 is a deficient number, since it is larger than the sum of its proper divisors (11500573498).

13143512552 is a wasteful number, since it uses less digits than its factorization.

13143512552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642939075 (or 1642939071 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The spelling of 13143512552 in words is "thirteen billion, one hundred forty-three million, five hundred twelve thousand, five hundred fifty-two".