13485051777444 has 48 divisors (see below), whose sum is σ = 33892968785088. Its totient is φ = 4148333958528.

The previous prime is 13485051777401. The next prime is 13485051777451. The reversal of 13485051777444 is 44477715058431.

It is a super-3 number, since 3×13485051777444³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8796127 + ... + 10214790.

It is an arithmetic number, because the mean of its divisors is an integer number (706103516356).

Almost surely, 2^{13485051777444} is an apocalyptic number.

It is an amenable number.

13485051777444 is an abundant number, since it is smaller than the sum of its proper divisors (20407917007644).

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

13485051777444 is a wasteful number, since it uses less digits than its factorization.

13485051777444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19015484 (or 19015482 counting only the distinct ones).

The product of its (nonzero) digits is 52684800, while the sum is 60.

The spelling of 13485051777444 in words is "thirteen trillion, four hundred eighty-five billion, fifty-one million, seven hundred seventy-seven thousand, four hundred forty-four".