985526999999 has 8 divisors (see below), whose sum is σ = 999078866832. Its totient is φ = 971976525120.

The previous prime is 985526999993. The next prime is 985527000011. The reversal of 985526999999 is 999999625589.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985526999999 is a prime.

It is a Duffinian number.

985526999999 is a modest number, since divided by 999999 gives 985526 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985526999993) 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, 1120064 + ... + 1795994.

It is an arithmetic number, because the mean of its divisors is an integer number (124884858354).

Almost surely, 2^985526999999 is an apocalyptic number.

985526999999 is a deficient number, since it is larger than the sum of its proper divisors (13551866833).

985526999999 is a wasteful number, since it uses less digits than its factorization.

985526999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695977.

The product of its digits is 11479125600, while the sum is 89.

The spelling of 985526999999 in words is "nine hundred eighty-five billion, five hundred twenty-six million, nine hundred ninety-nine thousand, nine hundred ninety-nine".