10204056561559 has 16 divisors (see below), whose sum is σ = 12038357272576. Its totient is φ = 8463918808800.

The previous prime is 10204056561499. The next prime is 10204056561593. The reversal of 10204056561559 is 95516565040201.

It is not a de Polignac number, because 10204056561559 - 2¹¹ = 10204056559511 is a prime.

It is a super-2 number, since 2×10204056561559² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10204056561059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6054664 + ... + 7554274.

It is an arithmetic number, because the mean of its divisors is an integer number (752397329536).

Almost surely, 2^{10204056561559} is an apocalyptic number.

10204056561559 is a deficient number, since it is larger than the sum of its proper divisors (1834300711017).

10204056561559 is a wasteful number, since it uses less digits than its factorization.

10204056561559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531006.

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 10204056561559 in words is "ten trillion, two hundred four billion, fifty-six million, five hundred sixty-one thousand, five hundred fifty-nine".