2125077622165 has 8 divisors (see below), whose sum is σ = 2550150340920. Its totient is φ = 1700023968192.

The previous prime is 2125077622127. The next prime is 2125077622181. The reversal of 2125077622165 is 5612267705212.

It can be written as a sum of positive squares in 4 ways, for example, as 40377687364 + 2084699934801 = 200942^2 + 1443849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2125077622165 - 2¹⁹ = 2125077097877 is a prime.

It is a congruent number.

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, 4519810 + ... + 4967779.

It is an arithmetic number, because the mean of its divisors is an integer number (318768792615).

Almost surely, 2^{2125077622165} is an apocalyptic number.

It is an amenable number.

2125077622165 is a deficient number, since it is larger than the sum of its proper divisors (425072718755).

2125077622165 is an equidigital number, since it uses as much as digits as its factorization.

2125077622165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9532391.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 2125077622165 in words is "two trillion, one hundred twenty-five billion, seventy-seven million, six hundred twenty-two thousand, one hundred sixty-five".