11571105720019 has 2 divisors, whose sum is σ = 11571105720020. Its totient is φ = 11571105720018.

The previous prime is 11571105720011. The next prime is 11571105720029. The reversal of 11571105720019 is 91002750117511.

11571105720019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11571105720019 - 2³ = 11571105720011 is a prime.

It is a super-2 number, since 2×11571105720019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11571105720011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785552860009 + 5785552860010.

It is an arithmetic number, because the mean of its divisors is an integer number (5785552860010).

Almost surely, 2^{11571105720019} is an apocalyptic number.

11571105720019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11571105720019 is an equidigital number, since it uses as much as digits as its factorization.

11571105720019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 40.

The spelling of 11571105720019 in words is "eleven trillion, five hundred seventy-one billion, one hundred five million, seven hundred twenty thousand, nineteen".