11110000001 has 2 divisors, whose sum is σ = 11110000002. Its totient is φ = 11110000000.

The previous prime is 11109999997. The next prime is 11110000019. The reversal of 11110000001 is 10000001111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6203137600 + 4906862401 = 78760^2 + 70049^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110000001 - 2² = 11109999997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11110000001.

It is not a weakly prime, because it can be changed into another prime (11110000301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555000000 + 5555000001.

It is an arithmetic number, because the mean of its divisors is an integer number (5555000001).

Almost surely, 2^11110000001 is an apocalyptic number.

It is an amenable number.

11110000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110000001 is an equidigital number, since it uses as much as digits as its factorization.

11110000001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 11110000001 its reverse (10000001111), we get a palindrome (21110001112).

It can be divided in two parts, 111 and 10000001, that multiplied together give a palindrome (1110000111).

The spelling of 11110000001 in words is "eleven billion, one hundred ten million, one", and thus it is an aban number.