33135211452 has 24 divisors (see below), whose sum is σ = 88360564096. Its totient is φ = 9467203248.

The previous prime is 33135211429. The next prime is 33135211489. The reversal of 33135211452 is 25411253133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197233318 + ... + 197233485.

Almost surely, 2^33135211452 is an apocalyptic number.

It is an amenable number.

33135211452 is an abundant number, since it is smaller than the sum of its proper divisors (55225352644).

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

33135211452 is a wasteful number, since it uses less digits than its factorization.

33135211452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394466817 (or 394466815 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

Adding to 33135211452 its reverse (25411253133), we get a palindrome (58546464585).

The spelling of 33135211452 in words is "thirty-three billion, one hundred thirty-five million, two hundred eleven thousand, four hundred fifty-two".