1103131052511 has 32 divisors (see below), whose sum is σ = 1495251671040. Its totient is φ = 723291419136.

The previous prime is 1103131052459. The next prime is 1103131052531. The reversal of 1103131052511 is 1152501313011.

It is not a de Polignac number, because 1103131052511 - 2⁶ = 1103131052447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103131052531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120727735 + ... + 120736871.

It is an arithmetic number, because the mean of its divisors is an integer number (46726614720).

Almost surely, 2^{1103131052511} is an apocalyptic number.

1103131052511 is a deficient number, since it is larger than the sum of its proper divisors (392120618529).

1103131052511 is a wasteful number, since it uses less digits than its factorization.

1103131052511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143.

The product of its (nonzero) digits is 450, while the sum is 24.

Adding to 1103131052511 its reverse (1152501313011), we get a palindrome (2255632365522).

The spelling of 1103131052511 in words is "one trillion, one hundred three billion, one hundred thirty-one million, fifty-two thousand, five hundred eleven".