1561625623316 has 12 divisors (see below), whose sum is σ = 2981285280960. Its totient is φ = 709829828760.

The previous prime is 1561625623303. The next prime is 1561625623333. The reversal of 1561625623316 is 6133265261651.

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, 17745745676 + ... + 17745745763.

It is an arithmetic number, because the mean of its divisors is an integer number (248440440080).

Almost surely, 2^{1561625623316} is an apocalyptic number.

It is an amenable number.

1561625623316 is a deficient number, since it is larger than the sum of its proper divisors (1419659657644).

1561625623316 is a wasteful number, since it uses less digits than its factorization.

1561625623316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35491491454 (or 35491491452 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 47.

The spelling of 1561625623316 in words is "one trillion, five hundred sixty-one billion, six hundred twenty-five million, six hundred twenty-three thousand, three hundred sixteen".