11115250827251 has 2 divisors, whose sum is σ = 11115250827252. Its totient is φ = 11115250827250.

The previous prime is 11115250827209. The next prime is 11115250827253. The reversal of 11115250827251 is 15272805251111.

It is a strong prime.

It is an emirp because it is prime and its reverse (15272805251111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11115250827251 - 2²² = 11115246632947 is a prime.

It is a Sophie Germain prime.

Together with 11115250827253, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11115250827199 and 11115250827208.

It is not a weakly prime, because it can be changed into another prime (11115250827253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557625413625 + 5557625413626.

It is an arithmetic number, because the mean of its divisors is an integer number (5557625413626).

Almost surely, 2^{11115250827251} is an apocalyptic number.

11115250827251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115250827251 is an equidigital number, since it uses as much as digits as its factorization.

11115250827251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56000, while the sum is 41.

The spelling of 11115250827251 in words is "eleven trillion, one hundred fifteen billion, two hundred fifty million, eight hundred twenty-seven thousand, two hundred fifty-one".