561314231372 has 48 divisors (see below), whose sum is σ = 996692159232. Its totient is φ = 276575793600.

The previous prime is 561314231273. The next prime is 561314231449. The reversal of 561314231372 is 273132413165.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 87008747 + ... + 87015197.

It is an arithmetic number, because the mean of its divisors is an integer number (20764419984).

Almost surely, 2^561314231372 is an apocalyptic number.

It is an amenable number.

561314231372 is a deficient number, since it is larger than the sum of its proper divisors (435377927860).

561314231372 is a wasteful number, since it uses less digits than its factorization.

561314231372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598 (or 7596 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The spelling of 561314231372 in words is "five hundred sixty-one billion, three hundred fourteen million, two hundred thirty-one thousand, three hundred seventy-two".