104852243521 has 4 divisors (see below), whose sum is σ = 104853378352. Its totient is φ = 104851108692.

The previous prime is 104852243473. The next prime is 104852243539. The reversal of 104852243521 is 125342258401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125342258401 = 347 ⋅361216883.

It is a cyclic number.

It is not a de Polignac number, because 104852243521 - 2⁹ = 104852243009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104852243621) 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, 415215 + ... + 618148.

It is an arithmetic number, because the mean of its divisors is an integer number (26213344588).

Almost surely, 2^104852243521 is an apocalyptic number.

It is an amenable number.

104852243521 is a deficient number, since it is larger than the sum of its proper divisors (1134831).

104852243521 is a wasteful number, since it uses less digits than its factorization.

104852243521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134830.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 104852243521 in words is "one hundred four billion, eight hundred fifty-two million, two hundred forty-three thousand, five hundred twenty-one".