11235142613 has 2 divisors, whose sum is σ = 11235142614. Its totient is φ = 11235142612.

The previous prime is 11235142553. The next prime is 11235142621. The reversal of 11235142613 is 31624153211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6659702449 + 4575440164 = 81607^2 + 67642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11235142613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11235142663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5617571306 + 5617571307.

It is an arithmetic number, because the mean of its divisors is an integer number (5617571307).

Almost surely, 2^11235142613 is an apocalyptic number.

It is an amenable number.

11235142613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11235142613 is an equidigital number, since it uses as much as digits as its factorization.

11235142613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

Adding to 11235142613 its reverse (31624153211), we get a palindrome (42859295824).

The spelling of 11235142613 in words is "eleven billion, two hundred thirty-five million, one hundred forty-two thousand, six hundred thirteen".