104405055525 has 36 divisors (see below), whose sum is σ = 187153707780. Its totient is φ = 55637241600.

The previous prime is 104405055523. The next prime is 104405055539. The reversal of 104405055525 is 525550504401.

104405055525 is a `hidden beast` number, since 10 + 4 + 40 + 50 + 5 + 552 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 6637523841 + 97767531684 = 81471^2 + 312678^2 .

It is not a de Polignac number, because 104405055525 - 2¹ = 104405055523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104405055525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104405055523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 87745 + ... + 465305.

It is an arithmetic number, because the mean of its divisors is an integer number (5198714105).

Almost surely, 2^104405055525 is an apocalyptic number.

104405055525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104405055525 is a deficient number, since it is larger than the sum of its proper divisors (82748652255).

104405055525 is a wasteful number, since it uses less digits than its factorization.

104405055525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378806 (or 378798 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

Adding to 104405055525 its reverse (525550504401), we get a palindrome (629955559926).

The spelling of 104405055525 in words is "one hundred four billion, four hundred five million, fifty-five thousand, five hundred twenty-five".