185252213295 has 32 divisors (see below), whose sum is σ = 340693732800. Its totient is φ = 95394241152.

The previous prime is 185252213281. The next prime is 185252213297. The reversal of 185252213295 is 592312252581.

185252213295 is a `hidden beast` number, since 1 + 8 + 5 + 2 + 522 + 1 + 32 + 95 = 666.

185252213295 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 185252213295 - 2¹¹ = 185252211247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 185252213295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185252213297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23655372 + ... + 23663201.

It is an arithmetic number, because the mean of its divisors is an integer number (10646679150).

Almost surely, 2^185252213295 is an apocalyptic number.

185252213295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

185252213295 is a deficient number, since it is larger than the sum of its proper divisors (155441519505).

185252213295 is a wasteful number, since it uses less digits than its factorization.

185252213295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47318616 (or 47318610 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The spelling of 185252213295 in words is "one hundred eighty-five billion, two hundred fifty-two million, two hundred thirteen thousand, two hundred ninety-five".