1561150500616 has 16 divisors (see below), whose sum is σ = 3345322501440. Its totient is φ = 669064500240.

The previous prime is 1561150500589. The next prime is 1561150500617. The reversal of 1561150500616 is 6160050511651.

It is not an unprimeable number, because it can be changed into a prime (1561150500617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13938843700 + ... + 13938843811.

It is an arithmetic number, because the mean of its divisors is an integer number (209082656340).

Almost surely, 2^{1561150500616} is an apocalyptic number.

It is an amenable number.

1561150500616 is an abundant number, since it is smaller than the sum of its proper divisors (1784172000824).

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

1561150500616 is a wasteful number, since it uses less digits than its factorization.

1561150500616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27877687524 (or 27877687520 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 1561150500616 in words is "one trillion, five hundred sixty-one billion, one hundred fifty million, five hundred thousand, six hundred sixteen".