11554505402103 has 48 divisors (see below), whose sum is σ = 18513911909376. Its totient is φ = 6911301576960.

The previous prime is 11554505402101. The next prime is 11554505402123. The reversal of 11554505402103 is 30120450545511.

11554505402103 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 4 + 5 + 0 + 540 + 2 + 103 = 666.

11554505402103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11554505402103 - 2¹ = 11554505402101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554505402101) 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, 17862201 + ... + 18497762.

It is an arithmetic number, because the mean of its divisors is an integer number (385706498112).

Almost surely, 2^{11554505402103} is an apocalyptic number.

11554505402103 is a deficient number, since it is larger than the sum of its proper divisors (6959406507273).

11554505402103 is a wasteful number, since it uses less digits than its factorization.

11554505402103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36360084 (or 36360081 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 11554505402103 its reverse (30120450545511), we get a palindrome (41674955947614).

The spelling of 11554505402103 in words is "eleven trillion, five hundred fifty-four billion, five hundred five million, four hundred two thousand, one hundred three".