2125727009868 has 384 divisors, whose sum is σ = 6509052297216. Its totient is φ = 523885190400.

The previous prime is 2125727009821. The next prime is 2125727009897. The reversal of 2125727009868 is 8689007275212.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 427967521 + ... + 427972487.

It is an arithmetic number, because the mean of its divisors is an integer number (16950657024).

Almost surely, 2^{2125727009868} is an apocalyptic number.

2125727009868 is a gapful number since it is divisible by the number (28) 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 2125727009868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3254526148608).

2125727009868 is an abundant number, since it is smaller than the sum of its proper divisors (4383325287348).

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

2125727009868 is a wasteful number, since it uses less digits than its factorization.

2125727009868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313 (or 5311 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 2125727009868 in words is "two trillion, one hundred twenty-five billion, seven hundred twenty-seven million, nine thousand, eight hundred sixty-eight".