215223041051 has 2 divisors, whose sum is σ = 215223041052. Its totient is φ = 215223041050.

The previous prime is 215223041023. The next prime is 215223041053. The reversal of 215223041051 is 150140322512.

215223041051 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 a de Polignac number, because none of the positive numbers 2^k-215223041051 is a prime.

Together with 215223041053, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 215223041051.

It is not a weakly prime, because it can be changed into another prime (215223041053) 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, 107611520525 + 107611520526.

It is an arithmetic number, because the mean of its divisors is an integer number (107611520526).

Almost surely, 2^215223041051 is an apocalyptic number.

215223041051 is a deficient number, since it is larger than the sum of its proper divisors (1).

215223041051 is an equidigital number, since it uses as much as digits as its factorization.

215223041051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 215223041051 its reverse (150140322512), we get a palindrome (365363363563).

The spelling of 215223041051 in words is "two hundred fifteen billion, two hundred twenty-three million, forty-one thousand, fifty-one".