11571941564119 has 2 divisors, whose sum is σ = 11571941564120. Its totient is φ = 11571941564118.

The previous prime is 11571941564041. The next prime is 11571941564173. The reversal of 11571941564119 is 91146514917511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11571941564119 - 2²⁹ = 11571404693207 is a prime.

It is a super-3 number, since 3×11571941564119³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 11571941564119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11571941568119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5785970782059 + 5785970782060.

It is an arithmetic number, because the mean of its divisors is an integer number (5785970782060).

Almost surely, 2^{11571941564119} is an apocalyptic number.

11571941564119 is a deficient number, since it is larger than the sum of its proper divisors (1).

11571941564119 is an equidigital number, since it uses as much as digits as its factorization.

11571941564119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 55.

The spelling of 11571941564119 in words is "eleven trillion, five hundred seventy-one billion, nine hundred forty-one million, five hundred sixty-four thousand, one hundred nineteen".