10256772225621 has 8 divisors (see below), whose sum is σ = 13933728306720. Its totient is φ = 6708832147472.

The previous prime is 10256772225613. The next prime is 10256772225631. The reversal of 10256772225621 is 12652227765201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10256772225621 - 2³ = 10256772225613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256772225631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32254000551 + ... + 32254000868.

It is an arithmetic number, because the mean of its divisors is an integer number (1741716038340).

Almost surely, 2^{10256772225621} is an apocalyptic number.

It is an amenable number.

10256772225621 is a deficient number, since it is larger than the sum of its proper divisors (3676956081099).

10256772225621 is an equidigital number, since it uses as much as digits as its factorization.

10256772225621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64508001475.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 10256772225621 in words is "ten trillion, two hundred fifty-six billion, seven hundred seventy-two million, two hundred twenty-five thousand, six hundred twenty-one".