85053805511 has 8 divisors (see below), whose sum is σ = 87065950224. Its totient is φ = 83043213120.

The previous prime is 85053805477. The next prime is 85053805513. The reversal of 85053805511 is 11550835058.

It is a happy number.

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-85053805511 is a prime.

It is a super-2 number, since 2×85053805511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85053805513) 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, 276830 + ... + 496731.

It is an arithmetic number, because the mean of its divisors is an integer number (10883243778).

Almost surely, 2^85053805511 is an apocalyptic number.

85053805511 is a deficient number, since it is larger than the sum of its proper divisors (2012144713).

85053805511 is a wasteful number, since it uses less digits than its factorization.

85053805511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776161.

The product of its (nonzero) digits is 120000, while the sum is 41.

The spelling of 85053805511 in words is "eighty-five billion, fifty-three million, eight hundred five thousand, five hundred eleven".