11131346613 has 4 divisors (see below), whose sum is σ = 14841795488. Its totient is φ = 7420897740.

The previous prime is 11131346609. The next prime is 11131346623. The reversal of 11131346613 is 31664313111.

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 not a de Polignac number, because 11131346613 - 2² = 11131346609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131346623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855224433 + ... + 1855224438.

It is an arithmetic number, because the mean of its divisors is an integer number (3710448872).

Almost surely, 2^11131346613 is an apocalyptic number.

It is an amenable number.

11131346613 is a deficient number, since it is larger than the sum of its proper divisors (3710448875).

11131346613 is an equidigital number, since it uses as much as digits as its factorization.

11131346613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710448874.

The product of its digits is 3888, while the sum is 30.

Adding to 11131346613 its reverse (31664313111), we get a palindrome (42795659724).

The spelling of 11131346613 in words is "eleven billion, one hundred thirty-one million, three hundred forty-six thousand, six hundred thirteen".