851154440011 has 2 divisors, whose sum is σ = 851154440012. Its totient is φ = 851154440010.

The previous prime is 851154439997. The next prime is 851154440041. The reversal of 851154440011 is 110044451158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 851154440011 - 2⁵ = 851154439979 is a prime.

It is not a weakly prime, because it can be changed into another prime (851154440041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425577220005 + 425577220006.

It is an arithmetic number, because the mean of its divisors is an integer number (425577220006).

Almost surely, 2^851154440011 is an apocalyptic number.

851154440011 is a deficient number, since it is larger than the sum of its proper divisors (1).

851154440011 is an equidigital number, since it uses as much as digits as its factorization.

851154440011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 34.

Adding to 851154440011 its reverse (110044451158), we get a palindrome (961198891169).

The spelling of 851154440011 in words is "eight hundred fifty-one billion, one hundred fifty-four million, four hundred forty thousand, eleven".