215064652555 has 16 divisors (see below), whose sum is σ = 275344575264. Its totient is φ = 160694909440.

The previous prime is 215064652519. The next prime is 215064652591. The reversal of 215064652555 is 555256460512.

It is an interprime number because it is at equal distance from previous prime (215064652519) and next prime (215064652591).

It is not a de Polignac number, because 215064652555 - 2⁹ = 215064652043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 9646012 + ... + 9668281.

It is an arithmetic number, because the mean of its divisors is an integer number (17209035954).

Almost surely, 2^215064652555 is an apocalyptic number.

215064652555 is a deficient number, since it is larger than the sum of its proper divisors (60279922709).

215064652555 is a wasteful number, since it uses less digits than its factorization.

215064652555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19314446.

The product of its (nonzero) digits is 1800000, while the sum is 46.

The spelling of 215064652555 in words is "two hundred fifteen billion, sixty-four million, six hundred fifty-two thousand, five hundred fifty-five".