1851956560052 has 12 divisors (see below), whose sum is σ = 3286570797216. Its totient is φ = 912936332280.

The previous prime is 1851956560039. The next prime is 1851956560063. The reversal of 1851956560052 is 2500656591581.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1851956559976 and 1851956560003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3260486618 + ... + 3260487185.

It is an arithmetic number, because the mean of its divisors is an integer number (273880899768).

Almost surely, 2^{1851956560052} is an apocalyptic number.

It is an amenable number.

1851956560052 is a deficient number, since it is larger than the sum of its proper divisors (1434614237164).

1851956560052 is a wasteful number, since it uses less digits than its factorization.

1851956560052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520973878 (or 6520973876 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 53.

The spelling of 1851956560052 in words is "one trillion, eight hundred fifty-one billion, nine hundred fifty-six million, five hundred sixty thousand, fifty-two".