13878152552 has 16 divisors (see below), whose sum is σ = 28387130400. Its totient is φ = 6308251120.

The previous prime is 13878152513. The next prime is 13878152557. The reversal of 13878152552 is 25525187831.

It is a super-2 number, since 2×13878152552² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13878152497 and 13878152506.

It is not an unprimeable number, because it can be changed into a prime (13878152557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78853052 + ... + 78853227.

It is an arithmetic number, because the mean of its divisors is an integer number (1774195650).

Almost surely, 2^13878152552 is an apocalyptic number.

It is an amenable number.

13878152552 is an abundant number, since it is smaller than the sum of its proper divisors (14508977848).

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

13878152552 is a wasteful number, since it uses less digits than its factorization.

13878152552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157706296 (or 157706292 counting only the distinct ones).

The product of its digits is 672000, while the sum is 47.

The spelling of 13878152552 in words is "thirteen billion, eight hundred seventy-eight million, one hundred fifty-two thousand, five hundred fifty-two".