215341054155 has 12 divisors (see below), whose sum is σ = 373257827280. Its totient is φ = 114848562192.

The previous prime is 215341054141. The next prime is 215341054157. The reversal of 215341054155 is 551450143512.

215341054155 is a `hidden beast` number, since 2 + 1 + 53 + 4 + 10 + 541 + 55 = 666.

215341054155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 215341054155 - 2¹⁴ = 215341037771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215341054157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2392678335 + ... + 2392678424.

It is an arithmetic number, because the mean of its divisors is an integer number (31104818940).

Almost surely, 2^215341054155 is an apocalyptic number.

215341054155 is a deficient number, since it is larger than the sum of its proper divisors (157916773125).

215341054155 is a wasteful number, since it uses less digits than its factorization.

215341054155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785356770 (or 4785356767 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 215341054155 its reverse (551450143512), we get a palindrome (766791197667).

The spelling of 215341054155 in words is "two hundred fifteen billion, three hundred forty-one million, fifty-four thousand, one hundred fifty-five".