2351025721000 has 128 divisors (see below), whose sum is σ = 6057619551360. Its totient is φ = 846928128000.

The previous prime is 2351025720983. The next prime is 2351025721069. The reversal of 2351025721000 is 1275201532.

It is a self number, because there is not a number n which added to its sum of digits gives 2351025721000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178264 + ... + 2175736.

It is an arithmetic number, because the mean of its divisors is an integer number (47325152745).

Almost surely, 2^{2351025721000} is an apocalyptic number.

2351025721000 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 2351025721000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3028809775680).

2351025721000 is an abundant number, since it is smaller than the sum of its proper divisors (3706593830360).

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

2351025721000 is a wasteful number, since it uses less digits than its factorization.

2351025721000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997612 (or 1997598 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 2351025721000 in words is "two trillion, three hundred fifty-one billion, twenty-five million, seven hundred twenty-one thousand".