11244540257 has 2 divisors, whose sum is σ = 11244540258. Its totient is φ = 11244540256.

The previous prime is 11244540221. The next prime is 11244540277. The reversal of 11244540257 is 75204544211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7375202641 + 3869337616 = 85879^2 + 62204^2 .

It is an emirp because it is prime and its reverse (75204544211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11244540257 - 2⁸ = 11244540001 is a prime.

It is not a weakly prime, because it can be changed into another prime (11244540217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5622270128 + 5622270129.

It is an arithmetic number, because the mean of its divisors is an integer number (5622270129).

Almost surely, 2^11244540257 is an apocalyptic number.

It is an amenable number.

11244540257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11244540257 is an equidigital number, since it uses as much as digits as its factorization.

11244540257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 35.

The spelling of 11244540257 in words is "eleven billion, two hundred forty-four million, five hundred forty thousand, two hundred fifty-seven".