13878550035520 has 224 divisors, whose sum is σ = 34311309177600. Its totient is φ = 5340679593984.

The previous prime is 13878550035503. The next prime is 13878550035527. The reversal of 13878550035520 is 2553005587831.

It is a super-2 number, since 2×13878550035520² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13878550035527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3592685109 + ... + 3592688971.

It is an arithmetic number, because the mean of its divisors is an integer number (153175487400).

Almost surely, 2^{13878550035520} is an apocalyptic number.

13878550035520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13878550035520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17155654588800).

13878550035520 is an abundant number, since it is smaller than the sum of its proper divisors (20432759142080).

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

13878550035520 is a wasteful number, since it uses less digits than its factorization.

13878550035520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205 (or 5195 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 52.

The spelling of 13878550035520 in words is "thirteen trillion, eight hundred seventy-eight billion, five hundred fifty million, thirty-five thousand, five hundred twenty".