11021346257 has 2 divisors, whose sum is σ = 11021346258. Its totient is φ = 11021346256.

The previous prime is 11021346221. The next prime is 11021346373. The reversal of 11021346257 is 75264312011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7472046481 + 3549299776 = 86441^2 + 59576^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021346257 - 2¹⁴ = 11021329873 is a prime.

It is not a weakly prime, because it can be changed into another prime (11021342257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510673128 + 5510673129.

It is an arithmetic number, because the mean of its divisors is an integer number (5510673129).

Almost surely, 2^11021346257 is an apocalyptic number.

It is an amenable number.

11021346257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021346257 is an equidigital number, since it uses as much as digits as its factorization.

11021346257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 11021346257 its reverse (75264312011), we get a palindrome (86285658268).

The spelling of 11021346257 in words is "eleven billion, twenty-one million, three hundred forty-six thousand, two hundred fifty-seven".