33011005136 has 40 divisors (see below), whose sum is σ = 65848527240. Its totient is φ = 16020025344.

The previous prime is 33011005087. The next prime is 33011005141. The reversal of 33011005136 is 63150011033.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14126748736 + 18884256400 = 118856^2 + 137420^2 .

It is a congruent number.

It is an unprimeable number.

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, 173960 + ... + 310296.

It is an arithmetic number, because the mean of its divisors is an integer number (1646213181).

Almost surely, 2^33011005136 is an apocalyptic number.

It is an amenable number.

33011005136 is a deficient number, since it is larger than the sum of its proper divisors (32837522104).

33011005136 is a wasteful number, since it uses less digits than its factorization.

33011005136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136791 (or 136785 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 33011005136 its reverse (63150011033), we get a palindrome (96161016169).

The spelling of 33011005136 in words is "thirty-three billion, eleven million, five thousand, one hundred thirty-six".