11345240539 has 6 divisors (see below), whose sum is σ = 11749946780. Its totient is φ = 10954024536.

The previous prime is 11345240527. The next prime is 11345240561. The reversal of 11345240539 is 93504254311.

11345240539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11345240539 - 2²¹ = 11343143387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11345240498 and 11345240507.

It is not an unprimeable number, because it can be changed into a prime (11345240239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6744249 + ... + 6745930.

Almost surely, 2^11345240539 is an apocalyptic number.

11345240539 is a deficient number, since it is larger than the sum of its proper divisors (404706241).

11345240539 is an equidigital number, since it uses as much as digits as its factorization.

11345240539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13490237 (or 13490208 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 11345240539 in words is "eleven billion, three hundred forty-five million, two hundred forty thousand, five hundred thirty-nine".