33500155012 has 6 divisors (see below), whose sum is σ = 58625271278. Its totient is φ = 16750077504.

The previous prime is 33500154979. The next prime is 33500155019. The reversal of 33500155012 is 21055100533.

It can be written as a sum of positive squares in only one way, i.e., 23023813696 + 10476341316 = 151736^2 + 102354^2 .

It is a super-2 number, since 2×33500155012² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33500155019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4187519373 + ... + 4187519380.

Almost surely, 2^33500155012 is an apocalyptic number.

It is an amenable number.

33500155012 is a deficient number, since it is larger than the sum of its proper divisors (25125116266).

33500155012 is a wasteful number, since it uses less digits than its factorization.

33500155012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8375038757 (or 8375038755 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

Adding to 33500155012 its reverse (21055100533), we get a palindrome (54555255545).

The spelling of 33500155012 in words is "thirty-three billion, five hundred million, one hundred fifty-five thousand, twelve".