2125042464266 has 16 divisors (see below), whose sum is σ = 3491449080840. Its totient is φ = 965536535040.

The previous prime is 2125042464257. The next prime is 2125042464277. The reversal of 2125042464266 is 6624642405212.

It can be written as a sum of positive squares in 4 ways, for example, as 2112868652041 + 12173812225 = 1453571^2 + 110335^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077606755 + ... + 1077608726.

Almost surely, 2^{2125042464266} is an apocalyptic number.

2125042464266 is a deficient number, since it is larger than the sum of its proper divisors (1366406616574).

2125042464266 is a wasteful number, since it uses less digits than its factorization.

2125042464266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155215529.

The product of its (nonzero) digits is 1105920, while the sum is 44.

Adding to 2125042464266 its reverse (6624642405212), we get a palindrome (8749684869478).

The spelling of 2125042464266 in words is "two trillion, one hundred twenty-five billion, forty-two million, four hundred sixty-four thousand, two hundred sixty-six".