11654320441 has 4 divisors (see below), whose sum is σ = 11705212900. Its totient is φ = 11603427984.

The previous prime is 11654320429. The next prime is 11654320477. The reversal of 11654320441 is 14402345611.

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 10864935225 + 789385216 = 104235^2 + 28096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11654320441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11654324441) 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, 25445886 + ... + 25446343.

It is an arithmetic number, because the mean of its divisors is an integer number (2926303225).

Almost surely, 2^11654320441 is an apocalyptic number.

It is an amenable number.

11654320441 is a deficient number, since it is larger than the sum of its proper divisors (50892459).

11654320441 is an equidigital number, since it uses as much as digits as its factorization.

11654320441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50892458.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 11654320441 in words is "eleven billion, six hundred fifty-four million, three hundred twenty thousand, four hundred forty-one".