104103551551 has 2 divisors, whose sum is σ = 104103551552. Its totient is φ = 104103551550.

The previous prime is 104103551549. The next prime is 104103551639. The reversal of 104103551551 is 155155301401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104103551551 - 2¹ = 104103551549 is a prime.

Together with 104103551549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104103558551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52051775775 + 52051775776.

It is an arithmetic number, because the mean of its divisors is an integer number (52051775776).

Almost surely, 2^104103551551 is an apocalyptic number.

104103551551 is a deficient number, since it is larger than the sum of its proper divisors (1).

104103551551 is an equidigital number, since it uses as much as digits as its factorization.

104103551551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7500, while the sum is 31.

Adding to 104103551551 its reverse (155155301401), we get a palindrome (259258852952).

The spelling of 104103551551 in words is "one hundred four billion, one hundred three million, five hundred fifty-one thousand, five hundred fifty-one".