11251022441 has 2 divisors, whose sum is σ = 11251022442. Its totient is φ = 11251022440.

The previous prime is 11251022437. The next prime is 11251022443. The reversal of 11251022441 is 14422015211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11066198416 + 184824025 = 105196^2 + 13595^2 .

It is an emirp because it is prime and its reverse (14422015211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11251022441 - 2² = 11251022437 is a prime.

Together with 11251022443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11251022443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625511220 + 5625511221.

It is an arithmetic number, because the mean of its divisors is an integer number (5625511221).

Almost surely, 2^11251022441 is an apocalyptic number.

It is an amenable number.

11251022441 is a deficient number, since it is larger than the sum of its proper divisors (1).

11251022441 is an equidigital number, since it uses as much as digits as its factorization.

11251022441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11251022441 its reverse (14422015211), we get a palindrome (25673037652).

The spelling of 11251022441 in words is "eleven billion, two hundred fifty-one million, twenty-two thousand, four hundred forty-one".