11103104011 has 4 divisors (see below), whose sum is σ = 11149175224. Its totient is φ = 11057032800.

The previous prime is 11103104009. The next prime is 11103104063. The reversal of 11103104011 is 11040130111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11103104011 - 2¹ = 11103104009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11103103982 and 11103104000.

It is not an unprimeable number, because it can be changed into a prime (11103104071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23035245 + ... + 23035726.

It is an arithmetic number, because the mean of its divisors is an integer number (2787293806).

Almost surely, 2^11103104011 is an apocalyptic number.

11103104011 is a deficient number, since it is larger than the sum of its proper divisors (46071213).

11103104011 is an equidigital number, since it uses as much as digits as its factorization.

11103104011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46071212.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11103104011 its reverse (11040130111), we get a palindrome (22143234122).

The spelling of 11103104011 in words is "eleven billion, one hundred three million, one hundred four thousand, eleven".