801626011 has 2 divisors, whose sum is σ = 801626012. Its totient is φ = 801626010.

The previous prime is 801625961. The next prime is 801626027. The reversal of 801626011 is 110626108.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-801626011 is a prime.

It is not a weakly prime, because it can be changed into another prime (801626051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400813005 + 400813006.

It is an arithmetic number, because the mean of its divisors is an integer number (400813006).

Almost surely, 2^801626011 is an apocalyptic number.

801626011 is a deficient number, since it is larger than the sum of its proper divisors (1).

801626011 is an equidigital number, since it uses as much as digits as its factorization.

801626011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 801626011 is about 28313.0007417087. Note that the first 3 decimals coincide. The cubic root of 801626011 is about 928.9462806354.

The spelling of 801626011 in words is "eight hundred one million, six hundred twenty-six thousand, eleven".