185085126552 has 32 divisors (see below), whose sum is σ = 472557772800. Its totient is φ = 60382381344.

The previous prime is 185085126517. The next prime is 185085126553. The reversal of 185085126552 is 255621580581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185085126553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82040152 + ... + 82042407.

It is an arithmetic number, because the mean of its divisors is an integer number (14767430400).

Almost surely, 2^185085126552 is an apocalyptic number.

185085126552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

185085126552 is an abundant number, since it is smaller than the sum of its proper divisors (287472646248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

185085126552 is a wasteful number, since it uses less digits than its factorization.

185085126552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164082615 (or 164082611 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 48.

The spelling of 185085126552 in words is "one hundred eighty-five billion, eighty-five million, one hundred twenty-six thousand, five hundred fifty-two".