10325556821 has 8 divisors (see below), whose sum is σ = 10940990400. Its totient is φ = 9717321600.

The previous prime is 10325556799. The next prime is 10325556851. The reversal of 10325556821 is 12865552301.

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 10325556821 - 2¹⁸ = 10325294677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10325556851) 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, 1796636 + ... + 1802373.

It is an arithmetic number, because the mean of its divisors is an integer number (1367623800).

Almost surely, 2^10325556821 is an apocalyptic number.

It is an amenable number.

10325556821 is a deficient number, since it is larger than the sum of its proper divisors (615433579).

10325556821 is a wasteful number, since it uses less digits than its factorization.

10325556821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599179.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 10325556821 in words is "ten billion, three hundred twenty-five million, five hundred fifty-six thousand, eight hundred twenty-one".