85521304355 has 8 divisors (see below), whose sum is σ = 106164378000. Its totient is φ = 66057834976.

The previous prime is 85521304331. The next prime is 85521304357. The reversal of 85521304355 is 55340312558.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85521304355 - 2⁶ = 85521304291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85521304357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294900905 + ... + 294901194.

It is an arithmetic number, because the mean of its divisors is an integer number (13270547250).

Almost surely, 2^85521304355 is an apocalyptic number.

85521304355 is a deficient number, since it is larger than the sum of its proper divisors (20643073645).

85521304355 is a wasteful number, since it uses less digits than its factorization.

85521304355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589802133.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 85521304355 in words is "eighty-five billion, five hundred twenty-one million, three hundred four thousand, three hundred fifty-five".