13503052444 has 12 divisors (see below), whose sum is σ = 27006104944. Its totient is φ = 5787022464.

The previous prime is 13503052439. The next prime is 13503052477. The reversal of 13503052444 is 44425030531.

13503052444 is an admirable number.

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, 241125909 + ... + 241125964.

Almost surely, 2^13503052444 is an apocalyptic number.

13503052444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13503052444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13503052444 is a wasteful number, since it uses less digits than its factorization.

13503052444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482251884 (or 482251882 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 13503052444 its reverse (44425030531), we get a palindrome (57928082975).

The spelling of 13503052444 in words is "thirteen billion, five hundred three million, fifty-two thousand, four hundred forty-four".