215352580755 has 64 divisors (see below), whose sum is σ = 387319468032. Its totient is φ = 101379548160.

The previous prime is 215352580753. The next prime is 215352580757. The reversal of 215352580755 is 557085253512.

It is an interprime number because it is at equal distance from previous prime (215352580753) and next prime (215352580757).

It is not a de Polignac number, because 215352580755 - 2¹ = 215352580753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215352580753) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22927110 + ... + 22936500.

It is an arithmetic number, because the mean of its divisors is an integer number (6051866688).

Almost surely, 2^215352580755 is an apocalyptic number.

215352580755 is a deficient number, since it is larger than the sum of its proper divisors (171966887277).

215352580755 is a wasteful number, since it uses less digits than its factorization.

215352580755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14548.

The product of its (nonzero) digits is 2100000, while the sum is 48.

The spelling of 215352580755 in words is "two hundred fifteen billion, three hundred fifty-two million, five hundred eighty thousand, seven hundred fifty-five".