13550001113444 has 12 divisors (see below), whose sum is σ = 24012660201600. Its totient is φ = 6689241055848.

The previous prime is 13550001113417. The next prime is 13550001113471. The reversal of 13550001113444 is 44431110005531.

It is an interprime number because it is at equal distance from previous prime (13550001113417) and next prime (13550001113471).

It is a super-2 number, since 2×13550001113444² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13550001113444.

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, 21439874864 + ... + 21439875495.

It is an arithmetic number, because the mean of its divisors is an integer number (2001055016800).

Almost surely, 2^{13550001113444} is an apocalyptic number.

It is an amenable number.

13550001113444 is a deficient number, since it is larger than the sum of its proper divisors (10462659088156).

13550001113444 is a wasteful number, since it uses less digits than its factorization.

13550001113444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42879750442 (or 42879750440 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 13550001113444 its reverse (44431110005531), we get a palindrome (57981111118975).

The spelling of 13550001113444 in words is "thirteen trillion, five hundred fifty billion, one million, one hundred thirteen thousand, four hundred forty-four".