33500253156 has 12 divisors (see below), whose sum is σ = 78167257392. Its totient is φ = 11166751048.

The previous prime is 33500253107. The next prime is 33500253187. The reversal of 33500253156 is 65135200533.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33500253156² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 1395843870 + ... + 1395843893.

It is an arithmetic number, because the mean of its divisors is an integer number (6513938116).

Almost surely, 2^33500253156 is an apocalyptic number.

It is an amenable number.

33500253156 is an abundant number, since it is smaller than the sum of its proper divisors (44667004236).

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

33500253156 is a wasteful number, since it uses less digits than its factorization.

33500253156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791687770 (or 2791687768 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 33.

Adding to 33500253156 its reverse (65135200533), we get a palindrome (98635453689).

The spelling of 33500253156 in words is "thirty-three billion, five hundred million, two hundred fifty-three thousand, one hundred fifty-six".