22113152549 has 2 divisors, whose sum is σ = 22113152550. Its totient is φ = 22113152548.

The previous prime is 22113152507. The next prime is 22113152629. The reversal of 22113152549 is 94525131122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17889062500 + 4224090049 = 133750^2 + 64993^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113152549 - 2²⁰ = 22112103973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22113152249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056576274 + 11056576275.

It is an arithmetic number, because the mean of its divisors is an integer number (11056576275).

Almost surely, 2^22113152549 is an apocalyptic number.

It is an amenable number.

22113152549 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113152549 is an equidigital number, since it uses as much as digits as its factorization.

22113152549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The spelling of 22113152549 in words is "twenty-two billion, one hundred thirteen million, one hundred fifty-two thousand, five hundred forty-nine".