11424221461 has 2 divisors, whose sum is σ = 11424221462. Its totient is φ = 11424221460.

The previous prime is 11424221449. The next prime is 11424221519. The reversal of 11424221461 is 16412242411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8947268100 + 2476953361 = 94590^2 + 49769^2 .

It is a cyclic number.

It is not a de Polignac number, because 11424221461 - 2¹¹ = 11424219413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11424221761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5712110730 + 5712110731.

It is an arithmetic number, because the mean of its divisors is an integer number (5712110731).

Almost surely, 2^11424221461 is an apocalyptic number.

It is an amenable number.

11424221461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11424221461 is an equidigital number, since it uses as much as digits as its factorization.

11424221461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 28.

Adding to 11424221461 its reverse (16412242411), we get a palindrome (27836463872).

The spelling of 11424221461 in words is "eleven billion, four hundred twenty-four million, two hundred twenty-one thousand, four hundred sixty-one".