104421201525 has 18 divisors (see below), whose sum is σ = 187029974690. Its totient is φ = 55691307360.

The previous prime is 104421201481. The next prime is 104421201539. The reversal of 104421201525 is 525102124401.

It is a happy number.

104421201525 is a `hidden beast` number, since 10 + 4 + 4 + 2 + 120 + 1 + 525 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 4889785329 + 99531416196 = 69927^2 + 315486^2 .

It is not a de Polignac number, because 104421201525 - 2⁶ = 104421201461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 232046890 + ... + 232047339.

Almost surely, 2^104421201525 is an apocalyptic number.

104421201525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104421201525 is a deficient number, since it is larger than the sum of its proper divisors (82608773165).

104421201525 is a wasteful number, since it uses less digits than its factorization.

104421201525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464094245 (or 464094237 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 104421201525 its reverse (525102124401), we get a palindrome (629523325926).

The spelling of 104421201525 in words is "one hundred four billion, four hundred twenty-one million, two hundred one thousand, five hundred twenty-five".