215443030542301 has 4 divisors (see below), whose sum is σ = 215455970857500. Its totient is φ = 215430090227104.

The previous prime is 215443030542251. The next prime is 215443030542307. The reversal of 215443030542301 is 103245030344512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110005066188900 + 105437964353401 = 10488330^2 + 10268299^2 .

It is a cyclic number.

It is not a de Polignac number, because 215443030542301 - 2¹⁵ = 215443030509533 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 (215443030542307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6470132626 + ... + 6470165923.

It is an arithmetic number, because the mean of its divisors is an integer number (53863992714375).

Almost surely, 2^{215443030542301} is an apocalyptic number.

It is an amenable number.

215443030542301 is a deficient number, since it is larger than the sum of its proper divisors (12940315199).

215443030542301 is a wasteful number, since it uses less digits than its factorization.

215443030542301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12940315198.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 215443030542301 its reverse (103245030344512), we get a palindrome (318688060886813).

The spelling of 215443030542301 in words is "two hundred fifteen trillion, four hundred forty-three billion, thirty million, five hundred forty-two thousand, three hundred one".