11542003211 has 2 divisors, whose sum is σ = 11542003212. Its totient is φ = 11542003210.

The previous prime is 11542003199. The next prime is 11542003217. The reversal of 11542003211 is 11230024511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11542003211 is a prime.

It is not a weakly prime, because it can be changed into another prime (11542003217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771001605 + 5771001606.

It is an arithmetic number, because the mean of its divisors is an integer number (5771001606).

Almost surely, 2^11542003211 is an apocalyptic number.

11542003211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11542003211 is an equidigital number, since it uses as much as digits as its factorization.

11542003211 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 11542003211 its reverse (11230024511), we get a palindrome (22772027722).

The spelling of 11542003211 in words is "eleven billion, five hundred forty-two million, three thousand, two hundred eleven".