80113511 has 2 divisors, whose sum is σ = 80113512. Its totient is φ = 80113510.

The previous prime is 80113499. The next prime is 80113541. The reversal of 80113511 is 11531108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80113511 - 2²⁶ = 13004647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80113541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40056755 + 40056756.

It is an arithmetic number, because the mean of its divisors is an integer number (40056756).

Almost surely, 2^80113511 is an apocalyptic number.

80113511 is a deficient number, since it is larger than the sum of its proper divisors (1).

80113511 is an equidigital number, since it uses as much as digits as its factorization.

80113511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 80113511 is about 8950.6151185268. The cubic root of 80113511 is about 431.0906350591.

Adding to 80113511 its reverse (11531108), we get a palindrome (91644619).

The spelling of 80113511 in words is "eighty million, one hundred thirteen thousand, five hundred eleven".