11011506103 has 16 divisors (see below), whose sum is σ = 12279143520. Its totient is φ = 9804622464.

The previous prime is 11011506097. The next prime is 11011506119. The reversal of 11011506103 is 30160511011.

It is not a de Polignac number, because 11011506103 - 2⁵ = 11011506071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011506193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398700 + ... + 425422.

It is an arithmetic number, because the mean of its divisors is an integer number (767446470).

Almost surely, 2^11011506103 is an apocalyptic number.

11011506103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11011506103 is a deficient number, since it is larger than the sum of its proper divisors (1267637417).

11011506103 is a wasteful number, since it uses less digits than its factorization.

11011506103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27858.

The product of its (nonzero) digits is 90, while the sum is 19.

The spelling of 11011506103 in words is "eleven billion, eleven million, five hundred six thousand, one hundred three".