13488281556 has 12 divisors (see below), whose sum is σ = 31472656992. Its totient is φ = 4496093848.

The previous prime is 13488281549. The next prime is 13488281563. The reversal of 13488281556 is 65518288431.

It is an interprime number because it is at equal distance from previous prime (13488281549) and next prime (13488281563).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13488281556² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13488281499 and 13488281508.

It is a congruent number.

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, 562011720 + ... + 562011743.

It is an arithmetic number, because the mean of its divisors is an integer number (2622721416).

Almost surely, 2^13488281556 is an apocalyptic number.

It is an amenable number.

13488281556 is an abundant number, since it is smaller than the sum of its proper divisors (17984375436).

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

13488281556 is a wasteful number, since it uses less digits than its factorization.

13488281556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124023470 (or 1124023468 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 51.

The spelling of 13488281556 in words is "thirteen billion, four hundred eighty-eight million, two hundred eighty-one thousand, five hundred fifty-six".