2205215155453 has 2 divisors, whose sum is σ = 2205215155454. Its totient is φ = 2205215155452.

The previous prime is 2205215155447. The next prime is 2205215155463. The reversal of 2205215155453 is 3545515125022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1197805480249 + 1007409675204 = 1094443^2 + 1003698^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205215155453 - 2¹⁷ = 2205215024381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205215155433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102607577726 + 1102607577727.

It is an arithmetic number, because the mean of its divisors is an integer number (1102607577727).

Almost surely, 2^{2205215155453} is an apocalyptic number.

It is an amenable number.

2205215155453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205215155453 is an equidigital number, since it uses as much as digits as its factorization.

2205215155453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 2205215155453 in words is "two trillion, two hundred five billion, two hundred fifteen million, one hundred fifty-five thousand, four hundred fifty-three".