2215554054239 has 2 divisors, whose sum is σ = 2215554054240. Its totient is φ = 2215554054238.

The previous prime is 2215554054187. The next prime is 2215554054257. The reversal of 2215554054239 is 9324504555122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2215554054239 - 2²⁰ = 2215553005663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2215554054193 and 2215554054202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2215554024239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107777027119 + 1107777027120.

It is an arithmetic number, because the mean of its divisors is an integer number (1107777027120).

Almost surely, 2^{2215554054239} is an apocalyptic number.

2215554054239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215554054239 is an equidigital number, since it uses as much as digits as its factorization.

2215554054239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 2215554054239 in words is "two trillion, two hundred fifteen billion, five hundred fifty-four million, fifty-four thousand, two hundred thirty-nine".