1852117908187 has 2 divisors, whose sum is σ = 1852117908188. Its totient is φ = 1852117908186.

The previous prime is 1852117908149. The next prime is 1852117908229. The reversal of 1852117908187 is 7818097112581.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1852117908187 - 2¹¹ = 1852117906139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1852117906187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 926058954093 + 926058954094.

It is an arithmetic number, because the mean of its divisors is an integer number (926058954094).

Almost surely, 2^{1852117908187} is an apocalyptic number.

1852117908187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1852117908187 is an equidigital number, since it uses as much as digits as its factorization.

1852117908187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257920, while the sum is 58.

The spelling of 1852117908187 in words is "one trillion, eight hundred fifty-two billion, one hundred seventeen million, nine hundred eight thousand, one hundred eighty-seven".