215424031065553 has 16 divisors (see below), whose sum is σ = 233057859851520. Its totient is φ = 198461591079696.

The previous prime is 215424031065517. The next prime is 215424031065679. The reversal of 215424031065553 is 355560130424512.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215424031065553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215424035065553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580600675 + ... + 580971592.

It is an arithmetic number, because the mean of its divisors is an integer number (14566116240720).

Almost surely, 2^{215424031065553} is an apocalyptic number.

It is an amenable number.

215424031065553 is a deficient number, since it is larger than the sum of its proper divisors (17633828785967).

215424031065553 is a wasteful number, since it uses less digits than its factorization.

215424031065553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161572556.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 215424031065553 in words is "two hundred fifteen trillion, four hundred twenty-four billion, thirty-one million, sixty-five thousand, five hundred fifty-three".