11071070251 has 2 divisors, whose sum is σ = 11071070252. Its totient is φ = 11071070250.

The previous prime is 11071070239. The next prime is 11071070299. The reversal of 11071070251 is 15207017011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11071070251 - 2¹⁷ = 11070939179 is a prime.

It is not a weakly prime, because it can be changed into another prime (11071070221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5535535125 + 5535535126.

It is an arithmetic number, because the mean of its divisors is an integer number (5535535126).

Almost surely, 2^11071070251 is an apocalyptic number.

11071070251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11071070251 is an equidigital number, since it uses as much as digits as its factorization.

11071070251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 25.

Adding to 11071070251 its reverse (15207017011), we get a palindrome (26278087262).

The spelling of 11071070251 in words is "eleven billion, seventy-one million, seventy thousand, two hundred fifty-one".