104435551 has 16 divisors (see below), whose sum is σ = 117872640. Its totient is φ = 91709280.

The previous prime is 104435543. The next prime is 104435557. The reversal of 104435551 is 155534401.

It is a cyclic number.

It is not a de Polignac number, because 104435551 - 2³ = 104435543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104435557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39565 + ... + 42121.

It is an arithmetic number, because the mean of its divisors is an integer number (7367040).

Almost surely, 2^104435551 is an apocalyptic number.

104435551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104435551 is a deficient number, since it is larger than the sum of its proper divisors (13437089).

104435551 is a wasteful number, since it uses less digits than its factorization.

104435551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 104435551 is about 10219.3713603137. The cubic root of 104435551 is about 470.9225143485.

Adding to 104435551 its reverse (155534401), we get a palindrome (259969952).

The spelling of 104435551 in words is "one hundred four million, four hundred thirty-five thousand, five hundred fifty-one".