215252252512 has 24 divisors (see below), whose sum is σ = 462303133992. Its totient is φ = 97841932800.

The previous prime is 215252252477. The next prime is 215252252513.

215252252512 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×215252252512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215252252513) 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, 305755689 + ... + 305756392.

It is an arithmetic number, because the mean of its divisors is an integer number (19262630583).

Almost surely, 2^215252252512 is an apocalyptic number.

215252252512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

215252252512 is an abundant number, since it is smaller than the sum of its proper divisors (247050881480).

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

215252252512 is a wasteful number, since it uses less digits than its factorization.

215252252512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611512102 (or 611512094 counting only the distinct ones).

The product of its digits is 40000, while the sum is 34.

It can be divided in two parts, 215252 and 252512, that added together give a palindrome (467764).

The spelling of 215252252512 in words is "two hundred fifteen billion, two hundred fifty-two million, two hundred fifty-two thousand, five hundred twelve".