13591907648552 has 8 divisors (see below), whose sum is σ = 25484826841050. Its totient is φ = 6795953824272.

The previous prime is 13591907648549. The next prime is 13591907648623. The reversal of 13591907648552 is 25584670919531.

It can be written as a sum of positive squares in only one way, i.e., 8083752121636 + 5508155526916 = 2843194^2 + 2346946^2 .

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, 849494228027 + ... + 849494228042.

It is a 1-persistent number, because it is pandigital, but 2⋅13591907648552 = 27183815297104 is not.

Almost surely, 2^{13591907648552} is an apocalyptic number.

It is an amenable number.

13591907648552 is a deficient number, since it is larger than the sum of its proper divisors (11892919192498).

13591907648552 is a wasteful number, since it uses less digits than its factorization.

13591907648552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698988456075 (or 1698988456071 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 65.

The spelling of 13591907648552 in words is "thirteen trillion, five hundred ninety-one billion, nine hundred seven million, six hundred forty-eight thousand, five hundred fifty-two".