561076819311 has 32 divisors (see below), whose sum is σ = 816287528448. Its totient is φ = 341404789760.

The previous prime is 561076819307. The next prime is 561076819319. The reversal of 561076819311 is 113918670165.

It is a cyclic number.

It is not a de Polignac number, because 561076819311 - 2² = 561076819307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561076819319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454185 + ... + 1152578.

It is an arithmetic number, because the mean of its divisors is an integer number (25508985264).

Almost surely, 2^561076819311 is an apocalyptic number.

561076819311 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

561076819311 is a deficient number, since it is larger than the sum of its proper divisors (255210709137).

561076819311 is a wasteful number, since it uses less digits than its factorization.

561076819311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606991.

The product of its (nonzero) digits is 272160, while the sum is 48.

The spelling of 561076819311 in words is "five hundred sixty-one billion, seventy-six million, eight hundred nineteen thousand, three hundred eleven".