565534450263131 has 2 divisors, whose sum is σ = 565534450263132. Its totient is φ = 565534450263130.

The previous prime is 565534450263077. The next prime is 565534450263169. The reversal of 565534450263131 is 131362054435565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 565534450263131 - 2³⁴ = 565517270393947 is a prime.

It is a super-2 number, since 2×565534450263131² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (565534450263331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282767225131565 + 282767225131566.

It is an arithmetic number, because the mean of its divisors is an integer number (282767225131566).

Almost surely, 2^{565534450263131} is an apocalyptic number.

565534450263131 is a deficient number, since it is larger than the sum of its proper divisors (1).

565534450263131 is an equidigital number, since it uses as much as digits as its factorization.

565534450263131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440000, while the sum is 53.

The spelling of 565534450263131 in words is "five hundred sixty-five trillion, five hundred thirty-four billion, four hundred fifty million, two hundred sixty-three thousand, one hundred thirty-one".