12251436636263 has 8 divisors (see below), whose sum is σ = 13398533292816. Its totient is φ = 11109894928000.

The previous prime is 12251436636227. The next prime is 12251436636281. The reversal of 12251436636263 is 36263663415221.

It is a happy number.

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

It is not a de Polignac number, because 12251436636263 - 2⁶ = 12251436636199 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 (12251436636223) 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, 1388732456 + ... + 1388741277.

It is an arithmetic number, because the mean of its divisors is an integer number (1674816661602).

Almost surely, 2^{12251436636263} is an apocalyptic number.

12251436636263 is a deficient number, since it is larger than the sum of its proper divisors (1147096656553).

12251436636263 is a wasteful number, since it uses less digits than its factorization.

12251436636263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777474145.

The product of its digits is 5598720, while the sum is 50.

The spelling of 12251436636263 in words is "twelve trillion, two hundred fifty-one billion, four hundred thirty-six million, six hundred thirty-six thousand, two hundred sixty-three".