104512511 has 2 divisors, whose sum is σ = 104512512. Its totient is φ = 104512510.

The previous prime is 104512493. The next prime is 104512517. The reversal of 104512511 is 115215401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104512511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104512517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52256255 + 52256256.

It is an arithmetic number, because the mean of its divisors is an integer number (52256256).

Almost surely, 2^104512511 is an apocalyptic number.

104512511 is a deficient number, since it is larger than the sum of its proper divisors (1).

104512511 is an equidigital number, since it uses as much as digits as its factorization.

104512511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 104512511 is about 10223.1360648286. The cubic root of 104512511 is about 471.0381623807.

Adding to 104512511 its reverse (115215401), we get a palindrome (219727912).

The spelling of 104512511 in words is "one hundred four million, five hundred twelve thousand, five hundred eleven".