1855516041 has 12 divisors (see below), whose sum is σ = 2821252720. Its totient is φ = 1171904760.

The previous prime is 1855515973. The next prime is 1855516063. The reversal of 1855516041 is 1406155581.

1855516041 is a `hidden beast` number, since 1 + 8 + 5 + 551 + 60 + 41 = 666.

It is not a de Polignac number, because 1855516041 - 2¹¹ = 1855513993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1855515987 and 1855516005.

It is not an unprimeable number, because it can be changed into a prime (1855556041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5425315 + ... + 5425656.

Almost surely, 2^1855516041 is an apocalyptic number.

It is an amenable number.

1855516041 is a deficient number, since it is larger than the sum of its proper divisors (965736679).

1855516041 is a wasteful number, since it uses less digits than its factorization.

1855516041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850996 (or 10850993 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 36.

The square root of 1855516041 is about 43075.7012827418. The cubic root of 1855516041 is about 1228.8199052288.

It can be divided in two parts, 18555 and 16041, that added together give a square (34596 = 186²).

The spelling of 1855516041 in words is "one billion, eight hundred fifty-five million, five hundred sixteen thousand, forty-one".