11043661910819 has 2 divisors, whose sum is σ = 11043661910820. Its totient is φ = 11043661910818.

The previous prime is 11043661910761. The next prime is 11043661910833. The reversal of 11043661910819 is 91801916634011.

It is a strong prime.

It is an emirp because it is prime and its reverse (91801916634011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11043661910819 - 2¹² = 11043661906723 is a prime.

It is a super-2 number, since 2×11043661910819² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11043661910839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521830955409 + 5521830955410.

It is an arithmetic number, because the mean of its divisors is an integer number (5521830955410).

Almost surely, 2^{11043661910819} is an apocalyptic number.

11043661910819 is a deficient number, since it is larger than the sum of its proper divisors (1).

11043661910819 is an equidigital number, since it uses as much as digits as its factorization.

11043661910819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 11043661910819 in words is "eleven trillion, forty-three billion, six hundred sixty-one million, nine hundred ten thousand, eight hundred nineteen".