2150666345125 has 8 divisors (see below), whose sum is σ = 2684031598872. Its totient is φ = 1720533076000.

The previous prime is 2150666345117. The next prime is 2150666345147. The reversal of 2150666345125 is 5215436660512.

It can be written as a sum of positive squares in 4 ways, for example, as 88679479681 + 2061986865444 = 297791^2 + 1435962^2 .

It is not a de Polignac number, because 2150666345125 - 2³ = 2150666345117 is a prime.

It is a super-2 number, since 2×2150666345125² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8602665256 + ... + 8602665505.

It is an arithmetic number, because the mean of its divisors is an integer number (335503949859).

Almost surely, 2^{2150666345125} is an apocalyptic number.

2150666345125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2150666345125 is a deficient number, since it is larger than the sum of its proper divisors (533365253747).

2150666345125 is an equidigital number, since it uses as much as digits as its factorization.

2150666345125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17205330776 (or 17205330766 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 2150666345125 in words is "two trillion, one hundred fifty billion, six hundred sixty-six million, three hundred forty-five thousand, one hundred twenty-five".