104454343521 has 24 divisors (see below), whose sum is σ = 166224389760. Its totient is φ = 62678868000.

The previous prime is 104454343519. The next prime is 104454343547. The reversal of 104454343521 is 125343454401.

104454343521 is a `hidden beast` number, since 1 + 0 + 44 + 54 + 3 + 43 + 521 = 666.

It is not a de Polignac number, because 104454343521 - 2¹ = 104454343519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104454341521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5213241 + ... + 5233238.

It is an arithmetic number, because the mean of its divisors is an integer number (6926016240).

Almost surely, 2^104454343521 is an apocalyptic number.

104454343521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104454343521 is a deficient number, since it is larger than the sum of its proper divisors (61770046239).

104454343521 is a wasteful number, since it uses less digits than its factorization.

104454343521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10446597 (or 10446594 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 104454343521 its reverse (125343454401), we get a palindrome (229797797922).

The spelling of 104454343521 in words is "one hundred four billion, four hundred fifty-four million, three hundred forty-three thousand, five hundred twenty-one".