11240654137 has 2 divisors, whose sum is σ = 11240654138. Its totient is φ = 11240654136.

The previous prime is 11240654081. The next prime is 11240654141. The reversal of 11240654137 is 73145604211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8385248041 + 2855406096 = 91571^2 + 53436^2 .

It is an emirp because it is prime and its reverse (73145604211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11240654137 is a prime.

It is not a weakly prime, because it can be changed into another prime (11240654437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620327068 + 5620327069.

It is an arithmetic number, because the mean of its divisors is an integer number (5620327069).

Almost surely, 2^11240654137 is an apocalyptic number.

It is an amenable number.

11240654137 is a deficient number, since it is larger than the sum of its proper divisors (1).

11240654137 is an equidigital number, since it uses as much as digits as its factorization.

11240654137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 11240654137 in words is "eleven billion, two hundred forty million, six hundred fifty-four thousand, one hundred thirty-seven".