215425264567 has 2 divisors, whose sum is σ = 215425264568. Its totient is φ = 215425264566.

The previous prime is 215425264547. The next prime is 215425264577. The reversal of 215425264567 is 765462524512.

215425264567 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 215425264567 - 2¹⁵ = 215425231799 is a prime.

It is a super-2 number, since 2×215425264567² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 215425264567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215425264507) 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, 107712632283 + 107712632284.

It is an arithmetic number, because the mean of its divisors is an integer number (107712632284).

Almost surely, 2^215425264567 is an apocalyptic number.

215425264567 is a deficient number, since it is larger than the sum of its proper divisors (1).

215425264567 is an equidigital number, since it uses as much as digits as its factorization.

215425264567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032000, while the sum is 49.

The spelling of 215425264567 in words is "two hundred fifteen billion, four hundred twenty-five million, two hundred sixty-four thousand, five hundred sixty-seven".