1855701125 has 12 divisors (see below), whose sum is σ = 2316516228. Its totient is φ = 1484175600.

The previous prime is 1855701121. The next prime is 1855701131. The reversal of 1855701125 is 5211075581.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 12802084 + 1842899041 = 3578^2 + 42929^2 .

It is not a de Polignac number, because 1855701125 - 2² = 1855701121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1855701121) 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, 479699 + ... + 483551.

It is an arithmetic number, because the mean of its divisors is an integer number (193043019).

Almost surely, 2^1855701125 is an apocalyptic number.

It is an amenable number.

1855701125 is a deficient number, since it is larger than the sum of its proper divisors (460815103).

1855701125 is an frugal number, since it uses more digits than its factorization.

1855701125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7721 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 35.

The square root of 1855701125 is about 43077.8495865334. The cubic root of 1855701125 is about 1228.8607613100.

The spelling of 1855701125 in words is "one billion, eight hundred fifty-five million, seven hundred one thousand, one hundred twenty-five".