104542511 has 2 divisors, whose sum is σ = 104542512. Its totient is φ = 104542510.

The previous prime is 104542507. The next prime is 104542547. The reversal of 104542511 is 115245401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104542511 - 2² = 104542507 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104542111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52271255 + 52271256.

It is an arithmetic number, because the mean of its divisors is an integer number (52271256).

Almost surely, 2^104542511 is an apocalyptic number.

104542511 is a deficient number, since it is larger than the sum of its proper divisors (1).

104542511 is an equidigital number, since it uses as much as digits as its factorization.

104542511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 104542511 is about 10224.6032196853. The cubic root of 104542511 is about 471.0832280953.

Adding to 104542511 its reverse (115245401), we get a palindrome (219787912).

The spelling of 104542511 in words is "one hundred four million, five hundred forty-two thousand, five hundred eleven".