2125876601856 has 704 divisors, whose sum is σ = 7092693467136. Its totient is φ = 552783052800.

The previous prime is 2125876601831. The next prime is 2125876601911. The reversal of 2125876601856 is 6581066785212.

It is a junction number, because it is equal to n+sod(n) for n = 2125876601796 and 2125876601805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 935272336 + ... + 935274608.

Almost surely, 2^{2125876601856} 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 2125876601856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3546346733568).

2125876601856 is an abundant number, since it is smaller than the sum of its proper divisors (4966816865280).

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

2125876601856 is a wasteful number, since it uses less digits than its factorization.

2125876601856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418 (or 2400 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 2125876601856 in words is "two trillion, one hundred twenty-five billion, eight hundred seventy-six million, six hundred one thousand, eight hundred fifty-six".