11240876509 has 2 divisors, whose sum is σ = 11240876510. Its totient is φ = 11240876508.

The previous prime is 11240876467. The next prime is 11240876567. The reversal of 11240876509 is 90567804211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9608312484 + 1632564025 = 98022^2 + 40405^2 .

It is a cyclic number.

It is not a de Polignac number, because 11240876509 - 2¹⁷ = 11240745437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11240879509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620438254 + 5620438255.

It is an arithmetic number, because the mean of its divisors is an integer number (5620438255).

Almost surely, 2^11240876509 is an apocalyptic number.

It is an amenable number.

11240876509 is a deficient number, since it is larger than the sum of its proper divisors (1).

11240876509 is an equidigital number, since it uses as much as digits as its factorization.

11240876509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 11240876509 in words is "eleven billion, two hundred forty million, eight hundred seventy-six thousand, five hundred nine".