54665413111 has 4 divisors (see below), whose sum is σ = 55936701832. Its totient is φ = 53394124392.

The previous prime is 54665413087. The next prime is 54665413123. The reversal of 54665413111 is 11131456645.

It is a happy number.

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 54665413111 - 2²³ = 54657024503 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 (54665413181) 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 3 ways as a sum of consecutive naturals, for example, 635644296 + ... + 635644381.

It is an arithmetic number, because the mean of its divisors is an integer number (13984175458).

Almost surely, 2^54665413111 is an apocalyptic number.

54665413111 is a deficient number, since it is larger than the sum of its proper divisors (1271288721).

54665413111 is a wasteful number, since it uses less digits than its factorization.

54665413111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271288720.

The product of its digits is 43200, while the sum is 37.

Adding to 54665413111 its reverse (11131456645), we get a palindrome (65796869756).

The spelling of 54665413111 in words is "fifty-four billion, six hundred sixty-five million, four hundred thirteen thousand, one hundred eleven".