2164101425125 has 8 divisors (see below), whose sum is σ = 2700798578712. Its totient is φ = 1731281140000.

The previous prime is 2164101425119. The next prime is 2164101425137. The reversal of 2164101425125 is 5215241014612.

It can be written as a sum of positive squares in 4 ways, for example, as 18230940484 + 2145870484641 = 135022^2 + 1464879^2 .

It is not a de Polignac number, because 2164101425125 - 2¹⁵ = 2164101392357 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 8656405576 + ... + 8656405825.

It is an arithmetic number, because the mean of its divisors is an integer number (337599822339).

Almost surely, 2^{2164101425125} is an apocalyptic number.

2164101425125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2164101425125 is a deficient number, since it is larger than the sum of its proper divisors (536697153587).

2164101425125 is an equidigital number, since it uses as much as digits as its factorization.

2164101425125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17312811416 (or 17312811406 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 2164101425125 its reverse (5215241014612), we get a palindrome (7379342439737).

The spelling of 2164101425125 in words is "two trillion, one hundred sixty-four billion, one hundred one million, four hundred twenty-five thousand, one hundred twenty-five".