85501011 has 8 divisors (see below), whose sum is σ = 114176464. Its totient is φ = 56913120.

The previous prime is 85500997. The next prime is 85501027. The reversal of 85501011 is 11010558.

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

It is not a de Polignac number, because 85501011 - 2⁵ = 85500979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85501061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19576 + ... + 23541.

It is an arithmetic number, because the mean of its divisors is an integer number (14272058).

Almost surely, 2^85501011 is an apocalyptic number.

85501011 is a deficient number, since it is larger than the sum of its proper divisors (28675453).

85501011 is a wasteful number, since it uses less digits than its factorization.

85501011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43781.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 85501011 is about 9246.6756729108. The cubic root of 85501011 is about 440.5451421495.

Adding to 85501011 its reverse (11010558), we get a palindrome (96511569).

The spelling of 85501011 in words is "eighty-five million, five hundred one thousand, eleven".