54111113512 has 8 divisors (see below), whose sum is σ = 101458337850. Its totient is φ = 27055556752.

The previous prime is 54111113501. The next prime is 54111113531. The reversal of 54111113512 is 21531111145.

It can be written as a sum of positive squares in only one way, i.e., 42697609956 + 11413503556 = 206634^2 + 106834^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3381944587 + ... + 3381944602.

Almost surely, 2^54111113512 is an apocalyptic number.

It is an amenable number.

54111113512 is a deficient number, since it is larger than the sum of its proper divisors (47347224338).

54111113512 is a wasteful number, since it uses less digits than its factorization.

54111113512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6763889195 (or 6763889191 counting only the distinct ones).

The product of its digits is 600, while the sum is 25.

Adding to 54111113512 its reverse (21531111145), we get a palindrome (75642224657).

The spelling of 54111113512 in words is "fifty-four billion, one hundred eleven million, one hundred thirteen thousand, five hundred twelve".