215403124141 has 8 divisors (see below), whose sum is σ = 216142659360. Its totient is φ = 214664830512.

The previous prime is 215403124121. The next prime is 215403124147. The reversal of 215403124141 is 141421304512.

It is a happy number.

215403124141 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 215403124141 - 2¹⁵ = 215403091373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215403124147) 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 7 ways as a sum of consecutive naturals, for example, 37846 + ... + 657448.

It is an arithmetic number, because the mean of its divisors is an integer number (27017832420).

Almost surely, 2^215403124141 is an apocalyptic number.

It is an amenable number.

215403124141 is a deficient number, since it is larger than the sum of its proper divisors (739535219).

215403124141 is an equidigital number, since it uses as much as digits as its factorization.

215403124141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620795.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 215403124141 its reverse (141421304512), we get a palindrome (356824428653).

The spelling of 215403124141 in words is "two hundred fifteen billion, four hundred three million, one hundred twenty-four thousand, one hundred forty-one".