11140320251 has 2 divisors, whose sum is σ = 11140320252. Its totient is φ = 11140320250.

The previous prime is 11140320229. The next prime is 11140320281. The reversal of 11140320251 is 15202304111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11140320251 - 2¹⁰ = 11140319227 is a prime.

It is not a weakly prime, because it can be changed into another prime (11140320211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570160125 + 5570160126.

It is an arithmetic number, because the mean of its divisors is an integer number (5570160126).

Almost surely, 2^11140320251 is an apocalyptic number.

11140320251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11140320251 is an equidigital number, since it uses as much as digits as its factorization.

11140320251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11140320251 its reverse (15202304111), we get a palindrome (26342624362).

The spelling of 11140320251 in words is "eleven billion, one hundred forty million, three hundred twenty thousand, two hundred fifty-one".