11071664361 has 16 divisors (see below), whose sum is σ = 16561717120. Its totient is φ = 7309446480.

The previous prime is 11071664257. The next prime is 11071664371. The reversal of 11071664361 is 16346617011.

11071664361 is a `hidden beast` number, since 1 + 1 + 0 + 7 + 1 + 6 + 643 + 6 + 1 = 666.

11071664361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11071664361 - 2²¹ = 11069567209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11071664371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987810 + ... + 1993371.

It is an arithmetic number, because the mean of its divisors is an integer number (1035107320).

Almost surely, 2^11071664361 is an apocalyptic number.

It is an amenable number.

11071664361 is a deficient number, since it is larger than the sum of its proper divisors (5490052759).

11071664361 is a wasteful number, since it uses less digits than its factorization.

11071664361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981293 (or 3981287 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 11071664361 in words is "eleven billion, seventy-one million, six hundred sixty-four thousand, three hundred sixty-one".