11154216523 has 2 divisors, whose sum is σ = 11154216524. Its totient is φ = 11154216522.

The previous prime is 11154216499. The next prime is 11154216527. The reversal of 11154216523 is 32561245111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11154216523 - 2²⁹ = 10617345611 is a prime.

It is not a weakly prime, because it can be changed into another prime (11154216527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577108261 + 5577108262.

It is an arithmetic number, because the mean of its divisors is an integer number (5577108262).

Almost surely, 2^11154216523 is an apocalyptic number.

11154216523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11154216523 is an equidigital number, since it uses as much as digits as its factorization.

11154216523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 31.

The spelling of 11154216523 in words is "eleven billion, one hundred fifty-four million, two hundred sixteen thousand, five hundred twenty-three".