13478551632008 has 16 divisors (see below), whose sum is σ = 25292714631180. Its totient is φ = 6733827730368.

The previous prime is 13478551631981. The next prime is 13478551632071. The reversal of 13478551632008 is 80023615587431.

It can be written as a sum of positive squares in 2 ways, for example, as 11537149703044 + 1941401928964 = 3396638^2 + 1393342^2 .

It is a super-2 number, since 2×13478551632008² (a number of 27 digits) contains 22 as substring.

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, 681000191 + ... + 681019982.

Almost surely, 2^{13478551632008} is an apocalyptic number.

It is an amenable number.

13478551632008 is a deficient number, since it is larger than the sum of its proper divisors (11814162999172).

13478551632008 is a wasteful number, since it uses less digits than its factorization.

13478551632008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362021416 (or 1362021412 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 13478551632008 in words is "thirteen trillion, four hundred seventy-eight billion, five hundred fifty-one million, six hundred thirty-two thousand, eight".