215427145603 has 2 divisors, whose sum is σ = 215427145604. Its totient is φ = 215427145602.

The previous prime is 215427145573. The next prime is 215427145613. The reversal of 215427145603 is 306541724512.

215427145603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215427145603 - 2¹³ = 215427137411 is a prime.

It is not a weakly prime, because it can be changed into another prime (215427145613) 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 as a sum of consecutive naturals, namely, 107713572801 + 107713572802.

It is an arithmetic number, because the mean of its divisors is an integer number (107713572802).

Almost surely, 2^215427145603 is an apocalyptic number.

215427145603 is a deficient number, since it is larger than the sum of its proper divisors (1).

215427145603 is an equidigital number, since it uses as much as digits as its factorization.

215427145603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 215427145603 in words is "two hundred fifteen billion, four hundred twenty-seven million, one hundred forty-five thousand, six hundred three".