13003353534444 has 96 divisors (see below), whose sum is σ = 37503234961920. Its totient is φ = 3414737115648.

The previous prime is 13003353534443. The next prime is 13003353534461. The reversal of 13003353534444 is 44443535330031.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 13003353534396 and 13003353534405.

It is not an unprimeable number, because it can be changed into a prime (13003353534443) 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, 25298854 + ... + 25807725.

It is an arithmetic number, because the mean of its divisors is an integer number (390658697520).

Almost surely, 2^{13003353534444} is an apocalyptic number.

13003353534444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13003353534444 is an abundant number, since it is smaller than the sum of its proper divisors (24499881427476).

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

13003353534444 is a wasteful number, since it uses less digits than its factorization.

13003353534444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51106839 (or 51106837 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 42.

Adding to 13003353534444 its reverse (44443535330031), we get a palindrome (57446888864475).

The spelling of 13003353534444 in words is "thirteen trillion, three billion, three hundred fifty-three million, five hundred thirty-four thousand, four hundred forty-four".