104640511 has 2 divisors, whose sum is σ = 104640512. Its totient is φ = 104640510.

The previous prime is 104640499. The next prime is 104640517. The reversal of 104640511 is 115046401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104640511 - 2⁷ = 104640383 is a prime.

It is a super-2 number, since 2×104640511² = 21899273084682242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104640517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52320255 + 52320256.

It is an arithmetic number, because the mean of its divisors is an integer number (52320256).

Almost surely, 2^104640511 is an apocalyptic number.

104640511 is a deficient number, since it is larger than the sum of its proper divisors (1).

104640511 is an equidigital number, since it uses as much as digits as its factorization.

104640511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 104640511 is about 10229.3944591066. The cubic root of 104640511 is about 471.2303827082.

Adding to 104640511 its reverse (115046401), we get a palindrome (219686912).

The spelling of 104640511 in words is "one hundred four million, six hundred forty thousand, five hundred eleven".