11163645401 has 4 divisors (see below), whose sum is σ = 11649021312. Its totient is φ = 10678269492.

The previous prime is 11163645349. The next prime is 11163645433. The reversal of 11163645401 is 10454636111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11163645401 - 2¹⁴ = 11163629017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11163645481) 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, 242687921 + ... + 242687966.

It is an arithmetic number, because the mean of its divisors is an integer number (2912255328).

Almost surely, 2^11163645401 is an apocalyptic number.

It is an amenable number.

11163645401 is a deficient number, since it is larger than the sum of its proper divisors (485375911).

11163645401 is an equidigital number, since it uses as much as digits as its factorization.

11163645401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485375910.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 11163645401 in words is "eleven billion, one hundred sixty-three million, six hundred forty-five thousand, four hundred one".