11522426369 has 2 divisors, whose sum is σ = 11522426370. Its totient is φ = 11522426368.

The previous prime is 11522426347. The next prime is 11522426381. The reversal of 11522426369 is 96362422511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11478336769 + 44089600 = 107137^2 + 6640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11522426369 is a prime.

It is a super-2 number, since 2×11522426369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11522426389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5761213184 + 5761213185.

It is an arithmetic number, because the mean of its divisors is an integer number (5761213185).

Almost surely, 2^11522426369 is an apocalyptic number.

It is an amenable number.

11522426369 is a deficient number, since it is larger than the sum of its proper divisors (1).

11522426369 is an equidigital number, since it uses as much as digits as its factorization.

11522426369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The spelling of 11522426369 in words is "eleven billion, five hundred twenty-two million, four hundred twenty-six thousand, three hundred sixty-nine".