22159391951441 has 2 divisors, whose sum is σ = 22159391951442. Its totient is φ = 22159391951440.

The previous prime is 22159391951413. The next prime is 22159391951513. The reversal of 22159391951441 is 14415919395122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11508404899216 + 10650987052225 = 3392404^2 + 3263585^2 .

It is a cyclic number.

It is not a de Polignac number, because 22159391951441 - 2¹⁸ = 22159391689297 is a prime.

It is not a weakly prime, because it can be changed into another prime (22159391956441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11079695975720 + 11079695975721.

It is an arithmetic number, because the mean of its divisors is an integer number (11079695975721).

Almost surely, 2^{22159391951441} is an apocalyptic number.

It is an amenable number.

22159391951441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22159391951441 is an equidigital number, since it uses as much as digits as its factorization.

22159391951441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3499200, while the sum is 56.

The spelling of 22159391951441 in words is "twenty-two trillion, one hundred fifty-nine billion, three hundred ninety-one million, nine hundred fifty-one thousand, four hundred forty-one".