215051564343 has 16 divisors (see below), whose sum is σ = 357488315136. Its totient is φ = 111715098240.

The previous prime is 215051564333. The next prime is 215051564363. The reversal of 215051564343 is 343465150512.

It is a happy number.

It is not a de Polignac number, because 215051564343 - 2²² = 215047370039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215051564333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465479346 + ... + 465479807.

It is an arithmetic number, because the mean of its divisors is an integer number (22343019696).

Almost surely, 2^215051564343 is an apocalyptic number.

215051564343 is a deficient number, since it is larger than the sum of its proper divisors (142436750793).

215051564343 is a wasteful number, since it uses less digits than its factorization.

215051564343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930959174.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 215051564343 in words is "two hundred fifteen billion, fifty-one million, five hundred sixty-four thousand, three hundred forty-three".