2148803173187 has 16 divisors (see below), whose sum is σ = 2355140551680. Its totient is φ = 1944301308000.

The previous prime is 2148803173157. The next prime is 2148803173259. The reversal of 2148803173187 is 7813713088412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2148803173187 - 2¹⁴ = 2148803156803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2148803173157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12303389 + ... + 12476817.

It is an arithmetic number, because the mean of its divisors is an integer number (147196284480).

Almost surely, 2^{2148803173187} is an apocalyptic number.

2148803173187 is a deficient number, since it is larger than the sum of its proper divisors (206337378493).

2148803173187 is a wasteful number, since it uses less digits than its factorization.

2148803173187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178714.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The spelling of 2148803173187 in words is "two trillion, one hundred forty-eight billion, eight hundred three million, one hundred seventy-three thousand, one hundred eighty-seven".