11660454901 has 2 divisors, whose sum is σ = 11660454902. Its totient is φ = 11660454900.

The previous prime is 11660454857. The next prime is 11660454977. The reversal of 11660454901 is 10945406611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8509878001 + 3150576900 = 92249^2 + 56130^2 .

It is an emirp because it is prime and its reverse (10945406611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11660454901 - 2¹⁵ = 11660422133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11660454991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830227450 + 5830227451.

It is an arithmetic number, because the mean of its divisors is an integer number (5830227451).

Almost surely, 2^11660454901 is an apocalyptic number.

It is an amenable number.

11660454901 is a deficient number, since it is larger than the sum of its proper divisors (1).

11660454901 is an equidigital number, since it uses as much as digits as its factorization.

11660454901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 11660454901 in words is "eleven billion, six hundred sixty million, four hundred fifty-four thousand, nine hundred one".