11340860161 has 4 divisors (see below), whose sum is σ = 11347560532. Its totient is φ = 11334159792.

The previous prime is 11340860149. The next prime is 11340860207. The reversal of 11340860161 is 16106804311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5573369025 + 5767491136 = 74655^2 + 75944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11340860161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11340860261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3347646 + ... + 3351031.

It is an arithmetic number, because the mean of its divisors is an integer number (2836890133).

Almost surely, 2^11340860161 is an apocalyptic number.

It is an amenable number.

11340860161 is a deficient number, since it is larger than the sum of its proper divisors (6700371).

11340860161 is an equidigital number, since it uses as much as digits as its factorization.

11340860161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700370.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 11340860161 in words is "eleven billion, three hundred forty million, eight hundred sixty thousand, one hundred sixty-one".