11571941564094 has 32 divisors (see below), whose sum is σ = 23172174305280. Its totient is φ = 3852601355232.

The previous prime is 11571941564041. The next prime is 11571941564119. The reversal of 11571941564094 is 49046514917511.

It is a super-2 number, since 2×11571941564094² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16918992 + ... + 17589660.

It is an arithmetic number, because the mean of its divisors is an integer number (724130447040).

Almost surely, 2^{11571941564094} is an apocalyptic number.

11571941564094 is an abundant number, since it is smaller than the sum of its proper divisors (11600232741186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11571941564094 is a wasteful number, since it uses less digits than its factorization.

11571941564094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674184.

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 11571941564094 in words is "eleven trillion, five hundred seventy-one billion, nine hundred forty-one million, five hundred sixty-four thousand, ninety-four".