11111103311 has 8 divisors (see below), whose sum is σ = 13852804224. Its totient is φ = 8658002520.

The previous prime is 11111103307. The next prime is 11111103317. The reversal of 11111103311 is 11330111111.

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

It is a cyclic number.

It is not a de Polignac number, because 11111103311 - 2² = 11111103307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111103317) 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, 72149945 + ... + 72150098.

It is an arithmetic number, because the mean of its divisors is an integer number (1731600528).

Almost surely, 2^11111103311 is an apocalyptic number.

11111103311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11111103311 is a deficient number, since it is larger than the sum of its proper divisors (2741700913).

11111103311 is a wasteful number, since it uses less digits than its factorization.

11111103311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144300061.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 11111103311 its reverse (11330111111), we get a palindrome (22441214422).

The spelling of 11111103311 in words is "eleven billion, one hundred eleven million, one hundred three thousand, three hundred eleven".