54040203443511 has 24 divisors (see below), whose sum is σ = 82183506881840. Its totient is φ = 34123545216000.

The previous prime is 54040203443461. The next prime is 54040203443519. The reversal of 54040203443511 is 11534430204045.

54040203443511 is a `hidden beast` number, since 5 + 4 + 0 + 4 + 0 + 203 + 4 + 435 + 11 = 666.

54040203443511 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 54040203443511 - 2¹¹ = 54040203441463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54040203443519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32091400 + ... + 33733341.

Almost surely, 2^{54040203443511} is an apocalyptic number.

54040203443511 is a deficient number, since it is larger than the sum of its proper divisors (28143303438329).

54040203443511 is a wasteful number, since it uses less digits than its factorization.

54040203443511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65829567 (or 65829564 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 54040203443511 its reverse (11534430204045), we get a palindrome (65574633647556).

The spelling of 54040203443511 in words is "fifty-four trillion, forty billion, two hundred three million, four hundred forty-three thousand, five hundred eleven".