33152013181021 has 16 divisors (see below), whose sum is σ = 40116877416576. Its totient is φ = 26744377499136.

The previous prime is 33152013181009. The next prime is 33152013181069. The reversal of 33152013181021 is 12018131025133.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33152013181021 - 2¹³ = 33152013172829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33152013181121) 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 15 ways as a sum of consecutive naturals, for example, 50260065 + ... + 50915401.

It is an arithmetic number, because the mean of its divisors is an integer number (2507304838536).

Almost surely, 2^{33152013181021} is an apocalyptic number.

It is an amenable number.

33152013181021 is a deficient number, since it is larger than the sum of its proper divisors (6964864235555).

33152013181021 is a wasteful number, since it uses less digits than its factorization.

33152013181021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080468.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 33152013181021 in words is "thirty-three trillion, one hundred fifty-two billion, thirteen million, one hundred eighty-one thousand, twenty-one".