11722088447 has 2 divisors, whose sum is σ = 11722088448. Its totient is φ = 11722088446.

The previous prime is 11722088419. The next prime is 11722088459. The reversal of 11722088447 is 74488022711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11722088447 - 2⁶ = 11722088383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11722088398 and 11722088407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11722048447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5861044223 + 5861044224.

It is an arithmetic number, because the mean of its divisors is an integer number (5861044224).

Almost surely, 2^11722088447 is an apocalyptic number.

11722088447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11722088447 is an equidigital number, since it uses as much as digits as its factorization.

11722088447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200704, while the sum is 44.

The spelling of 11722088447 in words is "eleven billion, seven hundred twenty-two million, eighty-eight thousand, four hundred forty-seven".