11516450423 has 2 divisors, whose sum is σ = 11516450424. Its totient is φ = 11516450422.

The previous prime is 11516450389. The next prime is 11516450443. The reversal of 11516450423 is 32405461511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11516450423 - 2⁸ = 11516450167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11516450423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11516450443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5758225211 + 5758225212.

It is an arithmetic number, because the mean of its divisors is an integer number (5758225212).

Almost surely, 2^11516450423 is an apocalyptic number.

11516450423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11516450423 is an equidigital number, since it uses as much as digits as its factorization.

11516450423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 11516450423 in words is "eleven billion, five hundred sixteen million, four hundred fifty thousand, four hundred twenty-three".