215057060320 has 24 divisors (see below), whose sum is σ = 508072305384. Its totient is φ = 86022824064.

The previous prime is 215057060291. The next prime is 215057060327. The reversal of 215057060320 is 23060750512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215057060327) 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, 672053154 + ... + 672053473.

It is an arithmetic number, because the mean of its divisors is an integer number (21169679391).

Almost surely, 2^215057060320 is an apocalyptic number.

215057060320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215057060320 is an abundant number, since it is smaller than the sum of its proper divisors (293015245064).

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

215057060320 is a wasteful number, since it uses less digits than its factorization.

215057060320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344106642 (or 1344106634 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 215057060320 in words is "two hundred fifteen billion, fifty-seven million, sixty thousand, three hundred twenty".