1543550144103 has 48 divisors (see below), whose sum is σ = 2473338696192. Its totient is φ = 919700712000.

The previous prime is 1543550144099. The next prime is 1543550144119. The reversal of 1543550144103 is 3014410553451.

1543550144103 is a `hidden beast` number, since 1 + 5 + 4 + 3 + 5 + 501 + 44 + 103 = 666.

It is not a de Polignac number, because 1543550144103 - 2² = 1543550144099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543550144603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12542158 + ... + 12664628.

It is an arithmetic number, because the mean of its divisors is an integer number (51527889504).

Almost surely, 2^{1543550144103} is an apocalyptic number.

1543550144103 is a deficient number, since it is larger than the sum of its proper divisors (929788552089).

1543550144103 is a wasteful number, since it uses less digits than its factorization.

1543550144103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124636 (or 124633 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 1543550144103 its reverse (3014410553451), we get a palindrome (4557960697554).

The spelling of 1543550144103 in words is "one trillion, five hundred forty-three billion, five hundred fifty million, one hundred forty-four thousand, one hundred three".