210133535505 has 32 divisors (see below), whose sum is σ = 337319731584. Its totient is φ = 111702898176.

The previous prime is 210133535483. The next prime is 210133535537. The reversal of 210133535505 is 505535331012.

It is a happy number.

It is not a de Polignac number, because 210133535505 - 2⁶ = 210133535441 is a prime.

It is a super-2 number, since 2×210133535505² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9987757 + ... + 10008773.

It is an arithmetic number, because the mean of its divisors is an integer number (10541241612).

Almost surely, 2^210133535505 is an apocalyptic number.

It is an amenable number.

210133535505 is a deficient number, since it is larger than the sum of its proper divisors (127186196079).

210133535505 is a wasteful number, since it uses less digits than its factorization.

210133535505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23185.

The product of its (nonzero) digits is 33750, while the sum is 33.

Adding to 210133535505 its reverse (505535331012), we get a palindrome (715668866517).

The spelling of 210133535505 in words is "two hundred ten billion, one hundred thirty-three million, five hundred thirty-five thousand, five hundred five".