2215872223751 has 2 divisors, whose sum is σ = 2215872223752. Its totient is φ = 2215872223750.

The previous prime is 2215872223717. The next prime is 2215872223753. The reversal of 2215872223751 is 1573222785122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215872223751 is a prime.

Together with 2215872223753, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2215872223696 and 2215872223705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215872223753) 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, 1107936111875 + 1107936111876.

It is an arithmetic number, because the mean of its divisors is an integer number (1107936111876).

Almost surely, 2^{2215872223751} is an apocalyptic number.

2215872223751 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215872223751 is an equidigital number, since it uses as much as digits as its factorization.

2215872223751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940800, while the sum is 47.

The spelling of 2215872223751 in words is "two trillion, two hundred fifteen billion, eight hundred seventy-two million, two hundred twenty-three thousand, seven hundred fifty-one".