215141356465 has 8 divisors (see below), whose sum is σ = 295051003200. Its totient is φ = 147525501552.

The previous prime is 215141356459. The next prime is 215141356501. The reversal of 215141356465 is 564653141512.

215141356465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215141356465 - 2²⁵ = 215107802033 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3073447915 + ... + 3073447984.

It is an arithmetic number, because the mean of its divisors is an integer number (36881375400).

Almost surely, 2^215141356465 is an apocalyptic number.

It is an amenable number.

215141356465 is a deficient number, since it is larger than the sum of its proper divisors (79909646735).

215141356465 is an equidigital number, since it uses as much as digits as its factorization.

215141356465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6146895911.

The product of its digits is 432000, while the sum is 43.

Adding to 215141356465 its reverse (564653141512), we get a palindrome (779794497977).

The spelling of 215141356465 in words is "two hundred fifteen billion, one hundred forty-one million, three hundred fifty-six thousand, four hundred sixty-five".