80523011 has 2 divisors, whose sum is σ = 80523012. Its totient is φ = 80523010.

The previous prime is 80522951. The next prime is 80523019. The reversal of 80523011 is 11032508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80523011 - 2⁶ = 80522947 is a prime.

It is a super-2 number, since 2×80523011² = 12967910601012242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80523019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40261505 + 40261506.

It is an arithmetic number, because the mean of its divisors is an integer number (40261506).

Almost surely, 2^80523011 is an apocalyptic number.

80523011 is a deficient number, since it is larger than the sum of its proper divisors (1).

80523011 is an equidigital number, since it uses as much as digits as its factorization.

80523011 is an odious number, because the sum of its binary digits is odd.

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

The square root of 80523011 is about 8973.4614837308. The cubic root of 80523011 is about 431.8238933397.

Adding to 80523011 its reverse (11032508), we get a palindrome (91555519).

The spelling of 80523011 in words is "eighty million, five hundred twenty-three thousand, eleven".