561021062371 has 32 divisors (see below), whose sum is σ = 741168133632. Its totient is φ = 411127964160.

The previous prime is 561021062333. The next prime is 561021062383. The reversal of 561021062371 is 173260120165.

561021062371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 561021062371 - 2⁹ = 561021061859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561021062311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1546905 + ... + 1874821.

It is an arithmetic number, because the mean of its divisors is an integer number (23161504176).

Almost surely, 2^561021062371 is an apocalyptic number.

561021062371 is a deficient number, since it is larger than the sum of its proper divisors (180147071261).

561021062371 is a wasteful number, since it uses less digits than its factorization.

561021062371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329259.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 561021062371 in words is "five hundred sixty-one billion, twenty-one million, sixty-two thousand, three hundred seventy-one".