11543413619 has 2 divisors, whose sum is σ = 11543413620. Its totient is φ = 11543413618.

The previous prime is 11543413589. The next prime is 11543413643. The reversal of 11543413619 is 91631434511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11543413619 - 2¹⁶ = 11543348083 is a prime.

It is a super-2 number, since 2×11543413619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11543413669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771706809 + 5771706810.

It is an arithmetic number, because the mean of its divisors is an integer number (5771706810).

Almost surely, 2^11543413619 is an apocalyptic number.

11543413619 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543413619 is an equidigital number, since it uses as much as digits as its factorization.

11543413619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The spelling of 11543413619 in words is "eleven billion, five hundred forty-three million, four hundred thirteen thousand, six hundred nineteen".