11281217407 has 2 divisors, whose sum is σ = 11281217408. Its totient is φ = 11281217406.

The previous prime is 11281217401. The next prime is 11281217417. The reversal of 11281217407 is 70471218211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11281217407 - 2¹¹ = 11281215359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11281217401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640608703 + 5640608704.

It is an arithmetic number, because the mean of its divisors is an integer number (5640608704).

Almost surely, 2^11281217407 is an apocalyptic number.

11281217407 is a deficient number, since it is larger than the sum of its proper divisors (1).

11281217407 is an equidigital number, since it uses as much as digits as its factorization.

11281217407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 34.

The spelling of 11281217407 in words is "eleven billion, two hundred eighty-one million, two hundred seventeen thousand, four hundred seven".