85265230155 has 32 divisors (see below), whose sum is σ = 157141254144. Its totient is φ = 38671468416.

The previous prime is 85265230153. The next prime is 85265230159. The reversal of 85265230155 is 55103256258.

It is not a de Polignac number, because 85265230155 - 2¹ = 85265230153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85265230153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3183712 + ... + 3210381.

It is an arithmetic number, because the mean of its divisors is an integer number (4910664192).

Almost surely, 2^85265230155 is an apocalyptic number.

85265230155 is a deficient number, since it is larger than the sum of its proper divisors (71876023989).

85265230155 is a wasteful number, since it uses less digits than its factorization.

85265230155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394235.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 85265230155 in words is "eighty-five billion, two hundred sixty-five million, two hundred thirty thousand, one hundred fifty-five".