4020515540563 has 2 divisors, whose sum is σ = 4020515540564. Its totient is φ = 4020515540562.

The previous prime is 4020515540557. The next prime is 4020515540581. The reversal of 4020515540563 is 3650455150204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020515540563 is a prime.

It is not a weakly prime, because it can be changed into another prime (4020515540663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010257770281 + 2010257770282.

It is an arithmetic number, because the mean of its divisors is an integer number (2010257770282).

Almost surely, 2^{4020515540563} is an apocalyptic number.

4020515540563 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020515540563 is an equidigital number, since it uses as much as digits as its factorization.

4020515540563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 4020515540563 in words is "four trillion, twenty billion, five hundred fifteen million, five hundred forty thousand, five hundred sixty-three".