11408643601 has 2 divisors, whose sum is σ = 11408643602. Its totient is φ = 11408643600.

The previous prime is 11408643569. The next prime is 11408643607. The reversal of 11408643601 is 10634680411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10816208001 + 592435600 = 104001^2 + 24340^2 .

It is an emirp because it is prime and its reverse (10634680411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11408643601 - 2⁵ = 11408643569 is a prime.

It is not a weakly prime, because it can be changed into another prime (11408643607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5704321800 + 5704321801.

It is an arithmetic number, because the mean of its divisors is an integer number (5704321801).

Almost surely, 2^11408643601 is an apocalyptic number.

It is an amenable number.

11408643601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11408643601 is an equidigital number, since it uses as much as digits as its factorization.

11408643601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 11408643601 in words is "eleven billion, four hundred eight million, six hundred forty-three thousand, six hundred one".