11503424040569 has 2 divisors, whose sum is σ = 11503424040570. Its totient is φ = 11503424040568.

The previous prime is 11503424040553. The next prime is 11503424040571. The reversal of 11503424040569 is 96504042430511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10856102419600 + 647321620969 = 3294860^2 + 804563^2 .

It is a cyclic number.

It is not a de Polignac number, because 11503424040569 - 2⁴ = 11503424040553 is a prime.

It is a super-3 number, since 3×11503424040569³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 11503424040571, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11503424042569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5751712020284 + 5751712020285.

It is an arithmetic number, because the mean of its divisors is an integer number (5751712020285).

Almost surely, 2^{11503424040569} is an apocalyptic number.

It is an amenable number.

11503424040569 is a deficient number, since it is larger than the sum of its proper divisors (1).

11503424040569 is an equidigital number, since it uses as much as digits as its factorization.

11503424040569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 11503424040569 in words is "eleven trillion, five hundred three billion, four hundred twenty-four million, forty thousand, five hundred sixty-nine".