11544432222251 has 2 divisors, whose sum is σ = 11544432222252. Its totient is φ = 11544432222250.

The previous prime is 11544432222217. The next prime is 11544432222259. The reversal of 11544432222251 is 15222223444511.

It is a happy number.

11544432222251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11544432222251 - 2⁶ = 11544432222187 is a prime.

It is not a weakly prime, because it can be changed into another prime (11544432222259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772216111125 + 5772216111126.

It is an arithmetic number, because the mean of its divisors is an integer number (5772216111126).

Almost surely, 2^{11544432222251} is an apocalyptic number.

11544432222251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11544432222251 is an equidigital number, since it uses as much as digits as its factorization.

11544432222251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153600, while the sum is 38.

Adding to 11544432222251 its reverse (15222223444511), we get a palindrome (26766655666762).

The spelling of 11544432222251 in words is "eleven trillion, five hundred forty-four billion, four hundred thirty-two million, two hundred twenty-two thousand, two hundred fifty-one".