215052302130144 has 384 divisors, whose sum is σ = 624012060672000. Its totient is φ = 64610923345920.

The previous prime is 215052302130109. The next prime is 215052302130151. The reversal of 215052302130144 is 441031203250512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 492570057 + ... + 493006455.

It is an arithmetic number, because the mean of its divisors is an integer number (1625031408000).

Almost surely, 2^{215052302130144} is an apocalyptic number.

215052302130144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215052302130144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312006030336000).

215052302130144 is an abundant number, since it is smaller than the sum of its proper divisors (408959758541856).

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

215052302130144 is a wasteful number, since it uses less digits than its factorization.

215052302130144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436638 (or 436630 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 215052302130144 its reverse (441031203250512), we get a palindrome (656083505380656).

The spelling of 215052302130144 in words is "two hundred fifteen trillion, fifty-two billion, three hundred two million, one hundred thirty thousand, one hundred forty-four".