11554413453 has 64 divisors (see below), whose sum is σ = 19105320960. Its totient is φ = 6841972800.

The previous prime is 11554413449. The next prime is 11554413499. The reversal of 11554413453 is 35431445511.

11554413453 is a `hidden beast` number, since 1 + 155 + 44 + 13 + 453 = 666.

11554413453 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 11554413453 - 2² = 11554413449 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554412453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4138488 + ... + 4141278.

It is an arithmetic number, because the mean of its divisors is an integer number (298520640).

Almost surely, 2^11554413453 is an apocalyptic number.

It is an amenable number.

11554413453 is a deficient number, since it is larger than the sum of its proper divisors (7550907507).

11554413453 is a wasteful number, since it uses less digits than its factorization.

11554413453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127 (or 3121 counting only the distinct ones).

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

Adding to 11554413453 its reverse (35431445511), we get a palindrome (46985858964).

The spelling of 11554413453 in words is "eleven billion, five hundred fifty-four million, four hundred thirteen thousand, four hundred fifty-three".