2011512003105 has 128 divisors (see below), whose sum is σ = 3728477122560. Its totient is φ = 915812352000.

The previous prime is 2011512003103. The next prime is 2011512003119. The reversal of 2011512003105 is 5013002151102.

It is not a de Polignac number, because 2011512003105 - 2¹ = 2011512003103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011512003103) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 170014540 + ... + 170026370.

It is an arithmetic number, because the mean of its divisors is an integer number (29128727520).

Almost surely, 2^{2011512003105} is an apocalyptic number.

It is an amenable number.

2011512003105 is a deficient number, since it is larger than the sum of its proper divisors (1716965119455).

2011512003105 is a wasteful number, since it uses less digits than its factorization.

2011512003105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12343.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 2011512003105 its reverse (5013002151102), we get a palindrome (7024514154207).

The spelling of 2011512003105 in words is "two trillion, eleven billion, five hundred twelve million, three thousand, one hundred five".