11543313619 has 2 divisors, whose sum is σ = 11543313620. Its totient is φ = 11543313618.

The previous prime is 11543313571. The next prime is 11543313653. The reversal of 11543313619 is 91631334511.

It is a strong prime.

It is an emirp because it is prime and its reverse (91631334511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11543313619 - 2⁷ = 11543313491 is a prime.

It is a super-2 number, since 2×11543313619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11543413619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771656809 + 5771656810.

It is an arithmetic number, because the mean of its divisors is an integer number (5771656810).

Almost surely, 2^11543313619 is an apocalyptic number.

11543313619 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543313619 is an equidigital number, since it uses as much as digits as its factorization.

11543313619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The spelling of 11543313619 in words is "eleven billion, five hundred forty-three million, three hundred thirteen thousand, six hundred nineteen".