104521344525 has 144 divisors (see below), whose sum is σ = 209020844032. Its totient is φ = 49579776000.

The previous prime is 104521344517. The next prime is 104521344527. The reversal of 104521344525 is 525443125401.

104521344525 is a `hidden beast` number, since 10 + 452 + 134 + 45 + 25 = 666.

It is not a de Polignac number, because 104521344525 - 2³ = 104521344517 is a prime.

It is a super-2 number, since 2×104521344525² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104521344525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104521344527) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21850284 + ... + 21855066.

Almost surely, 2^104521344525 is an apocalyptic number.

104521344525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104521344525 is a deficient number, since it is larger than the sum of its proper divisors (104499499507).

104521344525 is a wasteful number, since it uses less digits than its factorization.

104521344525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084 (or 5076 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 104521344525 its reverse (525443125401), we get a palindrome (629964469926).

The spelling of 104521344525 in words is "one hundred four billion, five hundred twenty-one million, three hundred forty-four thousand, five hundred twenty-five".