11446420487 has 2 divisors, whose sum is σ = 11446420488. Its totient is φ = 11446420486.

The previous prime is 11446420463. The next prime is 11446420567. The reversal of 11446420487 is 78402464411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11446420487 - 2¹⁴ = 11446404103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11446420087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5723210243 + 5723210244.

It is an arithmetic number, because the mean of its divisors is an integer number (5723210244).

Almost surely, 2^11446420487 is an apocalyptic number.

11446420487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11446420487 is an equidigital number, since it uses as much as digits as its factorization.

11446420487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 41.

Adding to 11446420487 its reverse (78402464411), we get a palindrome (89848884898).

The spelling of 11446420487 in words is "eleven billion, four hundred forty-six million, four hundred twenty thousand, four hundred eighty-seven".