11030503011 has 16 divisors (see below), whose sum is σ = 16478001408. Its totient is φ = 6504472800.

The previous prime is 11030502983. The next prime is 11030503037.

11030503011 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11030503011 - 2⁹ = 11030502499 is a prime.

It is a super-2 number, since 2×11030503011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11030503051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4515775 + ... + 4518216.

It is an arithmetic number, because the mean of its divisors is an integer number (1029875088).

Almost surely, 2^11030503011 is an apocalyptic number.

11030503011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11030503011 is a deficient number, since it is larger than the sum of its proper divisors (5447498397).

11030503011 is a wasteful number, since it uses less digits than its factorization.

11030503011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9034042.

The product of its (nonzero) digits is 45, while the sum is 15.

The spelling of 11030503011 in words is "eleven billion, thirty million, five hundred three thousand, eleven".