13771133780 has 12 divisors (see below), whose sum is σ = 28919380980. Its totient is φ = 5508453504.

The previous prime is 13771133737. The next prime is 13771133797. The reversal of 13771133780 is 8733117731.

13771133780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5476296004 + 8294837776 = 74002^2 + 91076^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344278325 + ... + 344278364.

It is an arithmetic number, because the mean of its divisors is an integer number (2409948415).

Almost surely, 2^13771133780 is an apocalyptic number.

13771133780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13771133780 is an abundant number, since it is smaller than the sum of its proper divisors (15148247200).

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

13771133780 is a wasteful number, since it uses less digits than its factorization.

13771133780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688556698 (or 688556696 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 41.

The spelling of 13771133780 in words is "thirteen billion, seven hundred seventy-one million, one hundred thirty-three thousand, seven hundred eighty".