11004555257 has 2 divisors, whose sum is σ = 11004555258. Its totient is φ = 11004555256.

The previous prime is 11004555241. The next prime is 11004555269. The reversal of 11004555257 is 75255540011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9979210816 + 1025344441 = 99896^2 + 32021^2 .

It is an emirp because it is prime and its reverse (75255540011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11004555257 - 2⁴ = 11004555241 is a prime.

It is a super-2 number, since 2×11004555257² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11004155257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502277628 + 5502277629.

It is an arithmetic number, because the mean of its divisors is an integer number (5502277629).

Almost surely, 2^11004555257 is an apocalyptic number.

It is an amenable number.

11004555257 is a deficient number, since it is larger than the sum of its proper divisors (1).

11004555257 is an equidigital number, since it uses as much as digits as its factorization.

11004555257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35000, while the sum is 35.

The spelling of 11004555257 in words is "eleven billion, four million, five hundred fifty-five thousand, two hundred fifty-seven".