218528200951 has 2 divisors, whose sum is σ = 218528200952. Its totient is φ = 218528200950.

The previous prime is 218528200871. The next prime is 218528200991. The reversal of 218528200951 is 159002825812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 218528200951 - 2¹³ = 218528192759 is a prime.

It is a super-2 number, since 2×218528200951² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 218528200898 and 218528200907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218528200991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109264100475 + 109264100476.

It is an arithmetic number, because the mean of its divisors is an integer number (109264100476).

Almost surely, 2^218528200951 is an apocalyptic number.

218528200951 is a deficient number, since it is larger than the sum of its proper divisors (1).

218528200951 is an equidigital number, since it uses as much as digits as its factorization.

218528200951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 43.

The spelling of 218528200951 in words is "two hundred eighteen billion, five hundred twenty-eight million, two hundred thousand, nine hundred fifty-one".