33136225605 has 80 divisors (see below), whose sum is σ = 69720393600. Its totient is φ = 14738537088.

The previous prime is 33136225589. The next prime is 33136225651. The reversal of 33136225605 is 50652263133.

33136225605 is a `hidden beast` number, since 3 + 31 + 3 + 62 + 2 + 560 + 5 = 666.

It is not a de Polignac number, because 33136225605 - 2⁴ = 33136225589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33136225605.

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 53055 + ... + 262844.

It is an arithmetic number, because the mean of its divisors is an integer number (871504920).

Almost surely, 2^33136225605 is an apocalyptic number.

33136225605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33136225605 is an abundant number, since it is smaller than the sum of its proper divisors (36584167995).

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

33136225605 is a wasteful number, since it uses less digits than its factorization.

33136225605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315960 (or 315951 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 33136225605 its reverse (50652263133), we get a palindrome (83788488738).

The spelling of 33136225605 in words is "thirty-three billion, one hundred thirty-six million, two hundred twenty-five thousand, six hundred five".