80575511 has 2 divisors, whose sum is σ = 80575512. Its totient is φ = 80575510.

The previous prime is 80575493. The next prime is 80575513. The reversal of 80575511 is 11557508.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80575511 - 2¹⁸ = 80313367 is a prime.

It is a super-2 number, since 2×80575511² = 12984825945822242, which contains 22 as substring.

Together with 80575513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80575513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40287755 + 40287756.

It is an arithmetic number, because the mean of its divisors is an integer number (40287756).

Almost surely, 2^80575511 is an apocalyptic number.

80575511 is a deficient number, since it is larger than the sum of its proper divisors (1).

80575511 is an equidigital number, since it uses as much as digits as its factorization.

80575511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7000, while the sum is 32.

The square root of 80575511 is about 8976.3862996197. The cubic root of 80575511 is about 431.9177208841.

The spelling of 80575511 in words is "eighty million, five hundred seventy-five thousand, five hundred eleven".