80519611 has 2 divisors, whose sum is σ = 80519612. Its totient is φ = 80519610.

The previous prime is 80519591. The next prime is 80519627. The reversal of 80519611 is 11691508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80519611 - 2⁹ = 80519099 is a prime.

It is not a weakly prime, because it can be changed into another prime (80519641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40259805 + 40259806.

It is an arithmetic number, because the mean of its divisors is an integer number (40259806).

Almost surely, 2^80519611 is an apocalyptic number.

80519611 is a deficient number, since it is larger than the sum of its proper divisors (1).

80519611 is an equidigital number, since it uses as much as digits as its factorization.

80519611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 80519611 is about 8973.2720342136. The cubic root of 80519611 is about 431.8178154833.

The spelling of 80519611 in words is "eighty million, five hundred nineteen thousand, six hundred eleven".