11110100011601 has 2 divisors, whose sum is σ = 11110100011602. Its totient is φ = 11110100011600.

The previous prime is 11110100011499. The next prime is 11110100011609. The reversal of 11110100011601 is 10611000101111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10739541711376 + 370558300225 = 3277124^2 + 608735^2 .

It is an emirp because it is prime and its reverse (10611000101111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110100011601 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110100011609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555050005800 + 5555050005801.

It is an arithmetic number, because the mean of its divisors is an integer number (5555050005801).

Almost surely, 2^{11110100011601} is an apocalyptic number.

It is an amenable number.

11110100011601 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110100011601 is an equidigital number, since it uses as much as digits as its factorization.

11110100011601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 11110100011601 its reverse (10611000101111), we get a palindrome (21721100112712).

The spelling of 11110100011601 in words is "eleven trillion, one hundred ten billion, one hundred million, eleven thousand, six hundred one".