2125041605266 has 32 divisors (see below), whose sum is σ = 3364698839040. Its totient is φ = 1003788624384.

The previous prime is 2125041605249. The next prime is 2125041605287. The reversal of 2125041605266 is 6625061405212.

It is a happy number.

It is a super-2 number, since 2×2125041605266² (a number of 25 digits) contains 22 as substring.

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, 114283266 + ... + 114301858.

It is an arithmetic number, because the mean of its divisors is an integer number (105146838720).

Almost surely, 2^{2125041605266} is an apocalyptic number.

2125041605266 is a deficient number, since it is larger than the sum of its proper divisors (1239657233774).

2125041605266 is a wasteful number, since it uses less digits than its factorization.

2125041605266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26850.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 2125041605266 in words is "two trillion, one hundred twenty-five billion, forty-one million, six hundred five thousand, two hundred sixty-six".