11013531539 has 2 divisors, whose sum is σ = 11013531540. Its totient is φ = 11013531538.

The previous prime is 11013531527. The next prime is 11013531587. The reversal of 11013531539 is 93513531011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11013531539 - 2⁸ = 11013531283 is a prime.

It is not a weakly prime, because it can be changed into another prime (11013531589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506765769 + 5506765770.

It is an arithmetic number, because the mean of its divisors is an integer number (5506765770).

Almost surely, 2^11013531539 is an apocalyptic number.

11013531539 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013531539 is an equidigital number, since it uses as much as digits as its factorization.

11013531539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6075, while the sum is 32.

The spelling of 11013531539 in words is "eleven billion, thirteen million, five hundred thirty-one thousand, five hundred thirty-nine".