12500054111 has 8 divisors (see below), whose sum is σ = 12546023424. Its totient is φ = 12454155000.

The previous prime is 12500054101. The next prime is 12500054113. The reversal of 12500054111 is 11145000521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12500054111 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 (12500054113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353486 + ... + 387236.

It is an arithmetic number, because the mean of its divisors is an integer number (1568252928).

Almost surely, 2^12500054111 is an apocalyptic number.

12500054111 is a deficient number, since it is larger than the sum of its proper divisors (45969313).

12500054111 is an equidigital number, since it uses as much as digits as its factorization.

12500054111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35101.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 12500054111 its reverse (11145000521), we get a palindrome (23645054632).

The spelling of 12500054111 in words is "twelve billion, five hundred million, fifty-four thousand, one hundred eleven".