215015301152 has 24 divisors (see below), whose sum is σ = 423325877436. Its totient is φ = 107503967232.

The previous prime is 215015301131. The next prime is 215015301157. The reversal of 215015301152 is 251103510512.

It can be written as a sum of positive squares in 2 ways, for example, as 208881905296 + 6133395856 = 457036^2 + 78316^2 .

It is not an unprimeable number, because it can be changed into a prime (215015301157) 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, 999548 + ... + 1195460.

Almost surely, 2^215015301152 is an apocalyptic number.

It is an amenable number.

215015301152 is a deficient number, since it is larger than the sum of its proper divisors (208310576284).

215015301152 is a wasteful number, since it uses less digits than its factorization.

215015301152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230220 (or 230212 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 215015301152 its reverse (251103510512), we get a palindrome (466118811664).

The spelling of 215015301152 in words is "two hundred fifteen billion, fifteen million, three hundred one thousand, one hundred fifty-two".