1872150182055 has 24 divisors (see below), whose sum is σ = 3255494617440. Its totient is φ = 995269542720.

The previous prime is 1872150182039. The next prime is 1872150182093. The reversal of 1872150182055 is 5502810512781.

It is a happy number.

1872150182055 is a `hidden beast` number, since 1 + 8 + 72 + 1 + 501 + 8 + 20 + 55 = 666.

It is not a de Polignac number, because 1872150182055 - 2⁴ = 1872150182039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1872150182055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66872400 + ... + 66900389.

It is an arithmetic number, because the mean of its divisors is an integer number (135645609060).

Almost surely, 2^{1872150182055} is an apocalyptic number.

1872150182055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1872150182055 is a deficient number, since it is larger than the sum of its proper divisors (1383344435385).

1872150182055 is a wasteful number, since it uses less digits than its factorization.

1872150182055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133773111 (or 133773108 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 45.

The spelling of 1872150182055 in words is "one trillion, eight hundred seventy-two billion, one hundred fifty million, one hundred eighty-two thousand, fifty-five".