11375543519 has 2 divisors, whose sum is σ = 11375543520. Its totient is φ = 11375543518.

The previous prime is 11375543507. The next prime is 11375543549. The reversal of 11375543519 is 91534557311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11375543519 is a prime.

It is a super-2 number, since 2×11375543519² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11375543519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11375543549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5687771759 + 5687771760.

It is an arithmetic number, because the mean of its divisors is an integer number (5687771760).

Almost surely, 2^11375543519 is an apocalyptic number.

11375543519 is a deficient number, since it is larger than the sum of its proper divisors (1).

11375543519 is an equidigital number, since it uses as much as digits as its factorization.

11375543519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 283500, while the sum is 44.

The spelling of 11375543519 in words is "eleven billion, three hundred seventy-five million, five hundred forty-three thousand, five hundred nineteen".