561846380212 has 48 divisors (see below), whose sum is σ = 1061799750144. Its totient is φ = 258595344000.

The previous prime is 561846380197. The next prime is 561846380257. The reversal of 561846380212 is 212083648165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102692637 + ... + 102698107.

It is an arithmetic number, because the mean of its divisors is an integer number (22120828128).

Almost surely, 2^561846380212 is an apocalyptic number.

561846380212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

561846380212 is a deficient number, since it is larger than the sum of its proper divisors (499953369932).

561846380212 is a wasteful number, since it uses less digits than its factorization.

561846380212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600 (or 10598 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 561846380212 in words is "five hundred sixty-one billion, eight hundred forty-six million, three hundred eighty thousand, two hundred twelve".