561202122876 has 24 divisors (see below), whose sum is σ = 1311975404544. Its totient is φ = 186709690800.

The previous prime is 561202122869. The next prime is 561202122913. The reversal of 561202122876 is 678221202165.

It is a super-2 number, since 2×561202122876² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44703900 + ... + 44716451.

It is an arithmetic number, because the mean of its divisors is an integer number (54665641856).

Almost surely, 2^561202122876 is an apocalyptic number.

It is an amenable number.

561202122876 is an abundant number, since it is smaller than the sum of its proper divisors (750773281668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561202122876 is a wasteful number, since it uses less digits than its factorization.

561202122876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89420881 (or 89420879 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 561202122876 in words is "five hundred sixty-one billion, two hundred two million, one hundred twenty-two thousand, eight hundred seventy-six".