80537111 has 2 divisors, whose sum is σ = 80537112. Its totient is φ = 80537110.

The previous prime is 80537087. The next prime is 80537113. The reversal of 80537111 is 11173508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80537111 - 2¹⁸ = 80274967 is a prime.

Together with 80537113, 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 (80537113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40268555 + 40268556.

It is an arithmetic number, because the mean of its divisors is an integer number (40268556).

Almost surely, 2^80537111 is an apocalyptic number.

80537111 is a deficient number, since it is larger than the sum of its proper divisors (1).

80537111 is an equidigital number, since it uses as much as digits as its factorization.

80537111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 80537111 is about 8974.2470993393. The cubic root of 80537111 is about 431.8490967421.

The spelling of 80537111 in words is "eighty million, five hundred thirty-seven thousand, one hundred eleven".