252211535504 has 20 divisors (see below), whose sum is σ = 504423072000. Its totient is φ = 122037839520.

The previous prime is 252211535503. The next prime is 252211535533. The reversal of 252211535504 is 405535112252.

It is a happy number.

252211535504 is an admirable number.

It is a super-2 number, since 2×252211535504² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252211535503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254245004 + ... + 254245995.

It is an arithmetic number, because the mean of its divisors is an integer number (25221153600).

Almost surely, 2^252211535504 is an apocalyptic number.

It is an amenable number.

252211535504 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252211535504 is a wasteful number, since it uses less digits than its factorization.

252211535504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508491038 (or 508491032 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 252211535504 its reverse (405535112252), we get a palindrome (657746647756).

The spelling of 252211535504 in words is "two hundred fifty-two billion, two hundred eleven million, five hundred thirty-five thousand, five hundred four".