54115523211 has 4 divisors (see below), whose sum is σ = 72154030952. Its totient is φ = 36077015472.

The previous prime is 54115523191. The next prime is 54115523269. The reversal of 54115523211 is 11232551145.

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

It is not a de Polignac number, because 54115523211 - 2⁵ = 54115523179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54115523291) 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, 9019253866 + ... + 9019253871.

It is an arithmetic number, because the mean of its divisors is an integer number (18038507738).

Almost surely, 2^54115523211 is an apocalyptic number.

54115523211 is a deficient number, since it is larger than the sum of its proper divisors (18038507741).

54115523211 is a wasteful number, since it uses less digits than its factorization.

54115523211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18038507740.

The product of its digits is 6000, while the sum is 30.

The spelling of 54115523211 in words is "fifty-four billion, one hundred fifteen million, five hundred twenty-three thousand, two hundred eleven".