11140566640161 has 16 divisors (see below), whose sum is σ = 17070940108800. Its totient is φ = 6330473619408.

The previous prime is 11140566640139. The next prime is 11140566640297. The reversal of 11140566640161 is 16104666504111.

It is not a de Polignac number, because 11140566640161 - 2⁷ = 11140566640033 is a prime.

It is a super-2 number, since 2×11140566640161² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11140566640561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1481848681 + ... + 1481856198.

It is an arithmetic number, because the mean of its divisors is an integer number (1066933756800).

Almost surely, 2^{11140566640161} is an apocalyptic number.

It is an amenable number.

11140566640161 is a deficient number, since it is larger than the sum of its proper divisors (5930373468639).

11140566640161 is a wasteful number, since it uses less digits than its factorization.

11140566640161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963705068.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 11140566640161 in words is "eleven trillion, one hundred forty billion, five hundred sixty-six million, six hundred forty thousand, one hundred sixty-one".