215004504452 has 12 divisors (see below), whose sum is σ = 376334036736. Its totient is φ = 107480493960.

The previous prime is 215004504433. The next prime is 215004504479. The reversal of 215004504452 is 254405400512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5417324 + ... + 5456867.

It is an arithmetic number, because the mean of its divisors is an integer number (31361169728).

Almost surely, 2^215004504452 is an apocalyptic number.

It is an amenable number.

215004504452 is a deficient number, since it is larger than the sum of its proper divisors (161329532284).

215004504452 is a wasteful number, since it uses less digits than its factorization.

215004504452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10879138 (or 10879136 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 215004504452 its reverse (254405400512), we get a palindrome (469409904964).

The spelling of 215004504452 in words is "two hundred fifteen billion, four million, five hundred four thousand, four hundred fifty-two".