11111110001 has 8 divisors (see below), whose sum is σ = 11473820160. Its totient is φ = 10753141392.

The previous prime is 11111109941. The next prime is 11111110013. The reversal of 11111110001 is 10001111111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111110001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11111110201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1180625 + ... + 1189998.

It is an arithmetic number, because the mean of its divisors is an integer number (1434227520).

Almost surely, 2^11111110001 is an apocalyptic number.

It is an amenable number.

11111110001 is a deficient number, since it is larger than the sum of its proper divisors (362710159).

11111110001 is a wasteful number, since it uses less digits than its factorization.

11111110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370775.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11111110001 its reverse (10001111111), we get a palindrome (21112221112).

It can be divided in two parts, 111111 and 10001, that multiplied together give a palindrome (1111221111).

The spelling of 11111110001 in words is "eleven billion, one hundred eleven million, one hundred ten thousand, one".