1556342412116 has 48 divisors (see below), whose sum is σ = 2801732177664. Its totient is φ = 756134660736.

The previous prime is 1556342412029. The next prime is 1556342412133. The reversal of 1556342412116 is 6112142436551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101231006 + ... + 101246378.

It is an arithmetic number, because the mean of its divisors is an integer number (58369420368).

Almost surely, 2^{1556342412116} is an apocalyptic number.

It is an amenable number.

1556342412116 is a deficient number, since it is larger than the sum of its proper divisors (1245389765548).

1556342412116 is a wasteful number, since it uses less digits than its factorization.

1556342412116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000 (or 19998 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

Adding to 1556342412116 its reverse (6112142436551), we get a palindrome (7668484848667).

The spelling of 1556342412116 in words is "one trillion, five hundred fifty-six billion, three hundred forty-two million, four hundred twelve thousand, one hundred sixteen".