561132326390 has 16 divisors (see below), whose sum is σ = 1010540480400. Its totient is φ = 224341309920.

The previous prime is 561132326333. The next prime is 561132326411. The reversal of 561132326390 is 93623231165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13931465 + ... + 13971684.

It is an arithmetic number, because the mean of its divisors is an integer number (63158780025).

Almost surely, 2^561132326390 is an apocalyptic number.

561132326390 is a deficient number, since it is larger than the sum of its proper divisors (449408154010).

561132326390 is a wasteful number, since it uses less digits than its factorization.

561132326390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27905167.

The product of its (nonzero) digits is 174960, while the sum is 41.

The spelling of 561132326390 in words is "five hundred sixty-one billion, one hundred thirty-two million, three hundred twenty-six thousand, three hundred ninety".