11531301101 has 4 divisors (see below), whose sum is σ = 11572048032. Its totient is φ = 11490554172.

The previous prime is 11531301073. The next prime is 11531301157. The reversal of 11531301101 is 10110313511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11531301101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11531301101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11531301181) 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 3 ways as a sum of consecutive naturals, for example, 20373041 + ... + 20373606.

It is an arithmetic number, because the mean of its divisors is an integer number (2893012008).

Almost surely, 2^11531301101 is an apocalyptic number.

It is an amenable number.

11531301101 is a deficient number, since it is larger than the sum of its proper divisors (40746931).

11531301101 is an equidigital number, since it uses as much as digits as its factorization.

11531301101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40746930.

The product of its (nonzero) digits is 45, while the sum is 17.

Adding to 11531301101 its reverse (10110313511), we get a palindrome (21641614612).

The spelling of 11531301101 in words is "eleven billion, five hundred thirty-one million, three hundred one thousand, one hundred one".