1854216942125 has 16 divisors (see below), whose sum is σ = 2435855522880. Its totient is φ = 1405301259600.

The previous prime is 1854216942079. The next prime is 1854216942167. The reversal of 1854216942125 is 5212496124581.

It is not a de Polignac number, because 1854216942125 - 2⁸ = 1854216941869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390359087 + ... + 390363836.

It is an arithmetic number, because the mean of its divisors is an integer number (152240970180).

Almost surely, 2^{1854216942125} is an apocalyptic number.

It is an amenable number.

1854216942125 is a deficient number, since it is larger than the sum of its proper divisors (581638580755).

1854216942125 is an equidigital number, since it uses as much as digits as its factorization.

1854216942125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780722957 (or 780722947 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 50.

The spelling of 1854216942125 in words is "one trillion, eight hundred fifty-four billion, two hundred sixteen million, nine hundred forty-two thousand, one hundred twenty-five".