11520203141 has 2 divisors, whose sum is σ = 11520203142. Its totient is φ = 11520203140.

The previous prime is 11520203069. The next prime is 11520203171. The reversal of 11520203141 is 14130202511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11519514241 + 688900 = 107329^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 11520203141 - 2³⁰ = 10446461317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11520203171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5760101570 + 5760101571.

It is an arithmetic number, because the mean of its divisors is an integer number (5760101571).

Almost surely, 2^11520203141 is an apocalyptic number.

It is an amenable number.

11520203141 is a deficient number, since it is larger than the sum of its proper divisors (1).

11520203141 is an equidigital number, since it uses as much as digits as its factorization.

11520203141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11520203141 its reverse (14130202511), we get a palindrome (25650405652).

The spelling of 11520203141 in words is "eleven billion, five hundred twenty million, two hundred three thousand, one hundred forty-one".