1872185200056 has 48 divisors (see below), whose sum is σ = 5070725190960. Its totient is φ = 624034212480.

The previous prime is 1872185200051. The next prime is 1872185200103. The reversal of 1872185200056 is 6500025812781.

1872185200056 is a `hidden beast` number, since 1 + 8 + 72 + 1 + 8 + 520 + 0 + 0 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1872185199984 and 1872185200020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1872185200051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1104516 + ... + 2228076.

It is an arithmetic number, because the mean of its divisors is an integer number (105640108145).

Almost surely, 2^{1872185200056} is an apocalyptic number.

It is an amenable number.

1872185200056 is an abundant number, since it is smaller than the sum of its proper divisors (3198539990904).

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

1872185200056 is a wasteful number, since it uses less digits than its factorization.

1872185200056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146716 (or 1146709 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 1872185200056 in words is "one trillion, eight hundred seventy-two billion, one hundred eighty-five million, two hundred thousand, fifty-six".