104053521445 has 4 divisors (see below), whose sum is σ = 124864225740. Its totient is φ = 83242817152.

The previous prime is 104053521347. The next prime is 104053521461. The reversal of 104053521445 is 544125350401.

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 70754936004 + 33298585441 = 265998^2 + 182479^2 .

It is a cyclic number.

It is not a de Polignac number, because 104053521445 - 2¹⁹ = 104052997157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104053521445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10405352140 + ... + 10405352149.

It is an arithmetic number, because the mean of its divisors is an integer number (31216056435).

Almost surely, 2^104053521445 is an apocalyptic number.

It is an amenable number.

104053521445 is a deficient number, since it is larger than the sum of its proper divisors (20810704295).

104053521445 is an equidigital number, since it uses as much as digits as its factorization.

104053521445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20810704294.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 104053521445 its reverse (544125350401), we get a palindrome (648178871846).

The spelling of 104053521445 in words is "one hundred four billion, fifty-three million, five hundred twenty-one thousand, four hundred forty-five".