11571446061 has 12 divisors (see below), whose sum is σ = 19102069792. Its totient is φ = 6612254856.

The previous prime is 11571446041. The next prime is 11571446093. The reversal of 11571446061 is 16064417511.

11571446061 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 1 + 44 + 606 + 1 = 666.

It is not a de Polignac number, because 11571446061 - 2¹³ = 11571437869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11571446041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91836811 + ... + 91836936.

Almost surely, 2^11571446061 is an apocalyptic number.

It is an amenable number.

11571446061 is a deficient number, since it is larger than the sum of its proper divisors (7530623731).

11571446061 is a wasteful number, since it uses less digits than its factorization.

11571446061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183673760 (or 183673757 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 11571446061 in words is "eleven billion, five hundred seventy-one million, four hundred forty-six thousand, sixty-one".