54111662748511 has 4 divisors (see below), whose sum is σ = 54195297467472. Its totient is φ = 54028028029552.

The previous prime is 54111662748463. The next prime is 54111662748557. The reversal of 54111662748511 is 11584726611145.

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 54111662748511 - 2²⁵ = 54111629194079 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 (54111662758511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41817358510 + ... + 41817359803.

It is an arithmetic number, because the mean of its divisors is an integer number (13548824366868).

Almost surely, 2^{54111662748511} is an apocalyptic number.

54111662748511 is a deficient number, since it is larger than the sum of its proper divisors (83634718961).

54111662748511 is an equidigital number, since it uses as much as digits as its factorization.

54111662748511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83634718960.

The product of its digits is 1612800, while the sum is 52.

The spelling of 54111662748511 in words is "fifty-four trillion, one hundred eleven billion, six hundred sixty-two million, seven hundred forty-eight thousand, five hundred eleven".