33045213511 has 8 divisors (see below), whose sum is σ = 33287304960. Its totient is φ = 32803184568.

The previous prime is 33045213433. The next prime is 33045213517. The reversal of 33045213511 is 11531254033.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33045213511 - 2⁹ = 33045212999 is a prime.

It is a super-2 number, since 2×33045213511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33045213511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33045213517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1865880 + ... + 1883506.

It is an arithmetic number, because the mean of its divisors is an integer number (4160913120).

Almost surely, 2^33045213511 is an apocalyptic number.

33045213511 is a deficient number, since it is larger than the sum of its proper divisors (242091449).

33045213511 is a wasteful number, since it uses less digits than its factorization.

33045213511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31253.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 33045213511 its reverse (11531254033), we get a palindrome (44576467544).

The spelling of 33045213511 in words is "thirty-three billion, forty-five million, two hundred thirteen thousand, five hundred eleven".