11012111005003 has 16 divisors (see below), whose sum is σ = 11840473290240. Its totient is φ = 10208706933600.

The previous prime is 11012111005001. The next prime is 11012111005037. The reversal of 11012111005003 is 30050011121011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11012111005003 - 2¹ = 11012111005001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11012111005001) 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, 3824413 + ... + 6053953.

It is an arithmetic number, because the mean of its divisors is an integer number (740029580640).

Almost surely, 2^{11012111005003} is an apocalyptic number.

11012111005003 is a deficient number, since it is larger than the sum of its proper divisors (828362285237).

11012111005003 is a wasteful number, since it uses less digits than its factorization.

11012111005003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235138.

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 11012111005003 its reverse (30050011121011), we get a palindrome (41062122126014).

The spelling of 11012111005003 in words is "eleven trillion, twelve billion, one hundred eleven million, five thousand, three".