2125601302636 has 192 divisors, whose sum is σ = 4503415504896. Its totient is φ = 858835353600.

The previous prime is 2125601302621. The next prime is 2125601302681. The reversal of 2125601302636 is 6362031065212.

It is a junction number, because it is equal to n+sod(n) for n = 2125601302595 and 2125601302604.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2057696776 + ... + 2057697808.

It is an arithmetic number, because the mean of its divisors is an integer number (23455289088).

Almost surely, 2^{2125601302636} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2125601302636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2251707752448).

2125601302636 is an abundant number, since it is smaller than the sum of its proper divisors (2377814202260).

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

2125601302636 is a wasteful number, since it uses less digits than its factorization.

2125601302636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 2125601302636 its reverse (6362031065212), we get a palindrome (8487632367848).

The spelling of 2125601302636 in words is "two trillion, one hundred twenty-five billion, six hundred one million, three hundred two thousand, six hundred thirty-six".