54006215331611 has 4 divisors (see below), whose sum is σ = 54394749255000. Its totient is φ = 53617681408224.

The previous prime is 54006215331589. The next prime is 54006215331623. The reversal of 54006215331611 is 11613351260045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54006215331611 - 2¹⁸ = 54006215069467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54006215331631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194266961486 + ... + 194266961763.

It is an arithmetic number, because the mean of its divisors is an integer number (13598687313750).

Almost surely, 2^{54006215331611} is an apocalyptic number.

54006215331611 is a deficient number, since it is larger than the sum of its proper divisors (388533923389).

54006215331611 is a wasteful number, since it uses less digits than its factorization.

54006215331611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388533923388.

The product of its (nonzero) digits is 64800, while the sum is 38.

Adding to 54006215331611 its reverse (11613351260045), we get a palindrome (65619566591656).

The spelling of 54006215331611 in words is "fifty-four trillion, six billion, two hundred fifteen million, three hundred thirty-one thousand, six hundred eleven".