3561130816880 has 120 divisors (see below), whose sum is σ = 10372282818912. Its totient is φ = 1127039187456.

The previous prime is 3561130816853. The next prime is 3561130816931. The reversal of 3561130816880 is 886180311653.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34889492 + ... + 34991411.

Almost surely, 2^{3561130816880} is an apocalyptic number.

It is an amenable number.

3561130816880 is an abundant number, since it is smaller than the sum of its proper divisors (6811152002032).

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

3561130816880 is a wasteful number, since it uses less digits than its factorization.

3561130816880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69880943 (or 69880930 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 3561130816880 in words is "three trillion, five hundred sixty-one billion, one hundred thirty million, eight hundred sixteen thousand, eight hundred eighty".