2126380302265 has 16 divisors (see below), whose sum is σ = 2556096940800. Its totient is φ = 1698146275392.

The previous prime is 2126380302257. The next prime is 2126380302311. The reversal of 2126380302265 is 5622030836212.

It is a cyclic number.

It is not a de Polignac number, because 2126380302265 - 2³ = 2126380302257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6940131 + ... + 7240039.

It is an arithmetic number, because the mean of its divisors is an integer number (159756058800).

Almost surely, 2^{2126380302265} is an apocalyptic number.

It is an amenable number.

2126380302265 is a deficient number, since it is larger than the sum of its proper divisors (429716638535).

2126380302265 is a wasteful number, since it uses less digits than its factorization.

2126380302265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302376.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 2126380302265 in words is "two trillion, one hundred twenty-six billion, three hundred eighty million, three hundred two thousand, two hundred sixty-five".