104123515501 has 4 divisors (see below), whose sum is σ = 104137745404. Its totient is φ = 104109285600.

The previous prime is 104123515481. The next prime is 104123515519. The reversal of 104123515501 is 105515321401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5483550601 + 98639964900 = 74051^2 + 314070^2 .

It is a cyclic number.

It is not a de Polignac number, because 104123515501 - 2¹⁷ = 104123384429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104123515501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104123545501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7103970 + ... + 7118611.

It is an arithmetic number, because the mean of its divisors is an integer number (26034436351).

Almost surely, 2^104123515501 is an apocalyptic number.

It is an amenable number.

104123515501 is a deficient number, since it is larger than the sum of its proper divisors (14229903).

104123515501 is an equidigital number, since it uses as much as digits as its factorization.

104123515501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14229902.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 104123515501 its reverse (105515321401), we get a palindrome (209638836902).

The spelling of 104123515501 in words is "one hundred four billion, one hundred twenty-three million, five hundred fifteen thousand, five hundred one".