85011211049 has 2 divisors, whose sum is σ = 85011211050. Its totient is φ = 85011211048.

The previous prime is 85011211027. The next prime is 85011211081. The reversal of 85011211049 is 94011211058.

It is an a-pointer prime, because the next prime (85011211081) can be obtained adding 85011211049 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84162071449 + 849139600 = 290107^2 + 29140^2 .

It is a cyclic number.

It is not a de Polignac number, because 85011211049 - 2³² = 80716243753 is a prime.

It is not a weakly prime, because it can be changed into another prime (85011211009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42505605524 + 42505605525.

It is an arithmetic number, because the mean of its divisors is an integer number (42505605525).

Almost surely, 2^85011211049 is an apocalyptic number.

It is an amenable number.

85011211049 is a deficient number, since it is larger than the sum of its proper divisors (1).

85011211049 is an equidigital number, since it uses as much as digits as its factorization.

85011211049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 32.

Subtracting 85011211049 from its reverse (94011211058), we obtain a palindrome (9000000009).

The spelling of 85011211049 in words is "eighty-five billion, eleven million, two hundred eleven thousand, forty-nine".