11513020031143 has 2 divisors, whose sum is σ = 11513020031144. Its totient is φ = 11513020031142.

The previous prime is 11513020031087. The next prime is 11513020031189. The reversal of 11513020031143 is 34113002031511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11513020031143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11513020037143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756510015571 + 5756510015572.

It is an arithmetic number, because the mean of its divisors is an integer number (5756510015572).

Almost surely, 2^{11513020031143} is an apocalyptic number.

11513020031143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11513020031143 is an equidigital number, since it uses as much as digits as its factorization.

11513020031143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 11513020031143 its reverse (34113002031511), we get a palindrome (45626022062654).

The spelling of 11513020031143 in words is "eleven trillion, five hundred thirteen billion, twenty million, thirty-one thousand, one hundred forty-three".