85765510241 has 4 divisors (see below), whose sum is σ = 85766648112. Its totient is φ = 85764372372.

The previous prime is 85765510211. The next prime is 85765510261. The reversal of 85765510241 is 14201556758.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85765510241 - 2³⁰ = 84691768417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85765510192 and 85765510201.

It is not an unprimeable number, because it can be changed into a prime (85765510211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447191 + ... + 609516.

It is an arithmetic number, because the mean of its divisors is an integer number (21441662028).

Almost surely, 2^85765510241 is an apocalyptic number.

It is an amenable number.

85765510241 is a deficient number, since it is larger than the sum of its proper divisors (1137871).

85765510241 is a wasteful number, since it uses less digits than its factorization.

85765510241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137870.

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 85765510241 in words is "eighty-five billion, seven hundred sixty-five million, five hundred ten thousand, two hundred forty-one".