2125103352660 has 120 divisors (see below), whose sum is σ = 6675626508936. Its totient is φ = 565920794880.

The previous prime is 2125103352641. The next prime is 2125103352719. The reversal of 2125103352660 is 662533015212.

2125103352660 is a `hidden beast` number, since 2 + 1 + 2 + 510 + 33 + 52 + 6 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1443775271184 + 681328081476 = 1201572^2 + 825426^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 292650 + ... + 2082270.

Almost surely, 2^{2125103352660} is an apocalyptic number.

2125103352660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2125103352660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3337813254468).

2125103352660 is an abundant number, since it is smaller than the sum of its proper divisors (4550523156276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125103352660 is a wasteful number, since it uses less digits than its factorization.

2125103352660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790375 (or 1790364 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 2125103352660 its reverse (662533015212), we get a palindrome (2787636367872).

The spelling of 2125103352660 in words is "two trillion, one hundred twenty-five billion, one hundred three million, three hundred fifty-two thousand, six hundred sixty".