1140011065161 has 40 divisors (see below), whose sum is σ = 1718422807464. Its totient is φ = 753118248960.

The previous prime is 1140011065147. The next prime is 1140011065183. The reversal of 1140011065161 is 1615601100411.

1140011065161 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 0 + 1 + 1 + 0 + 651 + 6 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 203798073600 + 936212991561 = 451440^2 + 967581^2 .

It is not a de Polignac number, because 1140011065161 - 2⁵ = 1140011065129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1140011065111) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53964681 + ... + 53985801.

Almost surely, 2^{1140011065161} is an apocalyptic number.

It is an amenable number.

1140011065161 is a deficient number, since it is larger than the sum of its proper divisors (578411742303).

1140011065161 is a wasteful number, since it uses less digits than its factorization.

1140011065161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27143 (or 27134 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

Adding to 1140011065161 its reverse (1615601100411), we get a palindrome (2755612165572).

The spelling of 1140011065161 in words is "one trillion, one hundred forty billion, eleven million, sixty-five thousand, one hundred sixty-one".