11544420101 has 2 divisors, whose sum is σ = 11544420102. Its totient is φ = 11544420100.

The previous prime is 11544420047. The next prime is 11544420161. The reversal of 11544420101 is 10102444511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9283322500 + 2261097601 = 96350^2 + 47551^2 .

It is a cyclic number.

It is not a de Polignac number, because 11544420101 - 2⁶ = 11544420037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11544420161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772210050 + 5772210051.

It is an arithmetic number, because the mean of its divisors is an integer number (5772210051).

Almost surely, 2^11544420101 is an apocalyptic number.

It is an amenable number.

11544420101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11544420101 is an equidigital number, since it uses as much as digits as its factorization.

11544420101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11544420101 its reverse (10102444511), we get a palindrome (21646864612).

The spelling of 11544420101 in words is "eleven billion, five hundred forty-four million, four hundred twenty thousand, one hundred one".