11252421071 has 2 divisors, whose sum is σ = 11252421072. Its totient is φ = 11252421070.

The previous prime is 11252421067. The next prime is 11252421083. The reversal of 11252421071 is 17012425211.

It is a weak prime.

It is an emirp because it is prime and its reverse (17012425211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11252421071 - 2² = 11252421067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11252421071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11252421371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5626210535 + 5626210536.

It is an arithmetic number, because the mean of its divisors is an integer number (5626210536).

Almost surely, 2^11252421071 is an apocalyptic number.

11252421071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11252421071 is an equidigital number, since it uses as much as digits as its factorization.

11252421071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 11252421071 its reverse (17012425211), we get a palindrome (28264846282).

The spelling of 11252421071 in words is "eleven billion, two hundred fifty-two million, four hundred twenty-one thousand, seventy-one".