85526511 has 24 divisors (see below), whose sum is σ = 135486720. Its totient is φ = 47828592.

The previous prime is 85526503. The next prime is 85526513. The reversal of 85526511 is 11562558.

It is not a de Polignac number, because 85526511 - 2³ = 85526503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85526513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 720 + ... + 13098.

It is an arithmetic number, because the mean of its divisors is an integer number (5645280).

Almost surely, 2^85526511 is an apocalyptic number.

85526511 is a deficient number, since it is larger than the sum of its proper divisors (49960209).

85526511 is a wasteful number, since it uses less digits than its factorization.

85526511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12443 (or 12436 counting only the distinct ones).

The product of its digits is 12000, while the sum is 33.

The square root of 85526511 is about 9248.0544440439. The cubic root of 85526511 is about 440.5889341639.

The spelling of 85526511 in words is "eighty-five million, five hundred twenty-six thousand, five hundred eleven".