12251113055 has 4 divisors (see below), whose sum is σ = 14701335672. Its totient is φ = 9800890440.

The previous prime is 12251113033. The next prime is 12251113073. The reversal of 12251113055 is 55031115221.

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

It is not a de Polignac number, because 12251113055 - 2¹⁶ = 12251047519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1225111301 + ... + 1225111310.

It is an arithmetic number, because the mean of its divisors is an integer number (3675333918).

Almost surely, 2^12251113055 is an apocalyptic number.

12251113055 is a deficient number, since it is larger than the sum of its proper divisors (2450222617).

12251113055 is an equidigital number, since it uses as much as digits as its factorization.

12251113055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450222616.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 12251113055 its reverse (55031115221), we get a palindrome (67282228276).

The spelling of 12251113055 in words is "twelve billion, two hundred fifty-one million, one hundred thirteen thousand, fifty-five".