11453569919 has 16 divisors (see below), whose sum is σ = 13511287296. Its totient is φ = 9591331200.

The previous prime is 11453569909. The next prime is 11453569937. The reversal of 11453569919 is 91996535411.

It is not a de Polignac number, because 11453569919 - 2⁴ = 11453569903 is a prime.

It is a super-3 number, since 3×11453569919³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453569909) 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 in 15 ways as a sum of consecutive naturals, for example, 642797 + ... + 660374.

It is an arithmetic number, because the mean of its divisors is an integer number (844455456).

Almost surely, 2^11453569919 is an apocalyptic number.

11453569919 is a deficient number, since it is larger than the sum of its proper divisors (2057717377).

11453569919 is a wasteful number, since it uses less digits than its factorization.

11453569919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303246.

The product of its digits is 1312200, while the sum is 53.

The spelling of 11453569919 in words is "eleven billion, four hundred fifty-three million, five hundred sixty-nine thousand, nine hundred nineteen".