1110136640661 has 12 divisors (see below), whose sum is σ = 1697856038892. Its totient is φ = 696556323456.

The previous prime is 1110136640659. The next prime is 1110136640681. The reversal of 1110136640661 is 1660466310111.

1110136640661 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 1 + 3 + 6 + 640 + 6 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 864888840036 + 245247800625 = 929994^2 + 495225^2 .

It is not a de Polignac number, because 1110136640661 - 2¹ = 1110136640659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110136640621) 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, 3627897366 + ... + 3627897671.

It is an arithmetic number, because the mean of its divisors is an integer number (141488003241).

Almost surely, 2^{1110136640661} is an apocalyptic number.

It is an amenable number.

1110136640661 is a deficient number, since it is larger than the sum of its proper divisors (587719398231).

1110136640661 is a wasteful number, since it uses less digits than its factorization.

1110136640661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7255795060 (or 7255795057 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 1110136640661 in words is "one trillion, one hundred ten billion, one hundred thirty-six million, six hundred forty thousand, six hundred sixty-one".