11071745566 has 16 divisors (see below), whose sum is σ = 19805359104. Its totient is φ = 4538727864.

The previous prime is 11071745561. The next prime is 11071745591. The reversal of 11071745566 is 66554717011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11071745561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17191830 + ... + 17192473.

It is an arithmetic number, because the mean of its divisors is an integer number (1237834944).

Almost surely, 2^11071745566 is an apocalyptic number.

11071745566 is a deficient number, since it is larger than the sum of its proper divisors (8733613538).

11071745566 is a wasteful number, since it uses less digits than its factorization.

11071745566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34384335.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 11071745566 in words is "eleven billion, seventy-one million, seven hundred forty-five thousand, five hundred sixty-six".