2215216046501 has 2 divisors, whose sum is σ = 2215216046502. Its totient is φ = 2215216046500.

The previous prime is 2215216046447. The next prime is 2215216046507. The reversal of 2215216046501 is 1056406125122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1560435682276 + 654780364225 = 1249174^2 + 809185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215216046501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215216046507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107608023250 + 1107608023251.

It is an arithmetic number, because the mean of its divisors is an integer number (1107608023251).

Almost surely, 2^{2215216046501} is an apocalyptic number.

It is an amenable number.

2215216046501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215216046501 is an equidigital number, since it uses as much as digits as its factorization.

2215216046501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 2215216046501 in words is "two trillion, two hundred fifteen billion, two hundred sixteen million, forty-six thousand, five hundred one".