561145603012 has 24 divisors (see below), whose sum is σ = 983458791392. Its totient is φ = 280157659200.

The previous prime is 561145602971. The next prime is 561145603061. The reversal of 561145603012 is 210306541165.

It is a super-2 number, since 2×561145603012² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8275687 + ... + 8343217.

Almost surely, 2^561145603012 is an apocalyptic number.

It is an amenable number.

561145603012 is a deficient number, since it is larger than the sum of its proper divisors (422313188380).

561145603012 is a wasteful number, since it uses less digits than its factorization.

561145603012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70579 (or 70577 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 561145603012 in words is "five hundred sixty-one billion, one hundred forty-five million, six hundred three thousand, twelve".