85111603 has 8 divisors (see below), whose sum is σ = 86720256. Its totient is φ = 83517000.

The previous prime is 85111601. The next prime is 85111619. The reversal of 85111603 is 30611158.

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 85111603 - 2¹ = 85111601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85111601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9138 + ... + 15928.

It is an arithmetic number, because the mean of its divisors is an integer number (10840032).

Almost surely, 2^85111603 is an apocalyptic number.

85111603 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

85111603 is a deficient number, since it is larger than the sum of its proper divisors (1608653).

85111603 is a wasteful number, since it uses less digits than its factorization.

85111603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7025.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 85111603 is about 9225.5949943622. The cubic root of 85111603 is about 439.8753141882.

The spelling of 85111603 in words is "eighty-five million, one hundred eleven thousand, six hundred three".