251200067011 has 2 divisors, whose sum is σ = 251200067012. Its totient is φ = 251200067010.

The previous prime is 251200067009. The next prime is 251200067029. The reversal of 251200067011 is 110760002152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 251200067011 - 2¹ = 251200067009 is a prime.

Together with 251200067009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (251200067611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125600033505 + 125600033506.

It is an arithmetic number, because the mean of its divisors is an integer number (125600033506).

Almost surely, 2^251200067011 is an apocalyptic number.

251200067011 is a deficient number, since it is larger than the sum of its proper divisors (1).

251200067011 is an equidigital number, since it uses as much as digits as its factorization.

251200067011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 251200067011 its reverse (110760002152), we get a palindrome (361960069163).

The spelling of 251200067011 in words is "two hundred fifty-one billion, two hundred million, sixty-seven thousand, eleven".