11540606163 has 4 divisors (see below), whose sum is σ = 15387474888. Its totient is φ = 7693737440.

The previous prime is 11540606149. The next prime is 11540606167. The reversal of 11540606163 is 36160604511.

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

It is a cyclic number.

It is not a de Polignac number, because 11540606163 - 2¹² = 11540602067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11540606167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923434358 + ... + 1923434363.

It is an arithmetic number, because the mean of its divisors is an integer number (3846868722).

Almost surely, 2^11540606163 is an apocalyptic number.

11540606163 is a deficient number, since it is larger than the sum of its proper divisors (3846868725).

11540606163 is an equidigital number, since it uses as much as digits as its factorization.

11540606163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846868724.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 11540606163 in words is "eleven billion, five hundred forty million, six hundred six thousand, one hundred sixty-three".