11454909671 has 2 divisors, whose sum is σ = 11454909672. Its totient is φ = 11454909670.

The previous prime is 11454909637. The next prime is 11454909721. The reversal of 11454909671 is 17690945411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11454909671 - 2¹⁴ = 11454893287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11454902671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727454835 + 5727454836.

It is an arithmetic number, because the mean of its divisors is an integer number (5727454836).

Almost surely, 2^11454909671 is an apocalyptic number.

11454909671 is a deficient number, since it is larger than the sum of its proper divisors (1).

11454909671 is an equidigital number, since it uses as much as digits as its factorization.

11454909671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 11454909671 in words is "eleven billion, four hundred fifty-four million, nine hundred nine thousand, six hundred seventy-one".