85503005523 has 12 divisors (see below), whose sum is σ = 133004675440. Its totient is φ = 52617234096.

The previous prime is 85503005521. The next prime is 85503005531. The reversal of 85503005523 is 32550030558.

85503005523 is a `hidden beast` number, since 8 + 550 + 30 + 0 + 55 + 23 = 666.

It is not a de Polignac number, because 85503005523 - 2¹ = 85503005521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85503005521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365397343 + ... + 365397576.

Almost surely, 2^85503005523 is an apocalyptic number.

85503005523 is a deficient number, since it is larger than the sum of its proper divisors (47501669917).

85503005523 is a wasteful number, since it uses less digits than its factorization.

85503005523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730794938 (or 730794935 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 85503005523 in words is "eighty-five billion, five hundred three million, five thousand, five hundred twenty-three".