561123000902 has 8 divisors (see below), whose sum is σ = 861258559656. Its totient is φ = 274036814352.

The previous prime is 561123000871. The next prime is 561123000929. The reversal of 561123000902 is 209000321165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3262342943 + ... + 3262343114.

It is an arithmetic number, because the mean of its divisors is an integer number (107657319957).

Almost surely, 2^561123000902 is an apocalyptic number.

561123000902 is a deficient number, since it is larger than the sum of its proper divisors (300135558754).

561123000902 is a wasteful number, since it uses less digits than its factorization.

561123000902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6524686102.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 561123000902 in words is "five hundred sixty-one billion, one hundred twenty-three million, nine hundred two", and thus it is an aban number.