1855205355350 has 12 divisors (see below), whose sum is σ = 3450681961044. Its totient is φ = 742082142120.

The previous prime is 1855205355329. The next prime is 1855205355373. The reversal of 1855205355350 is 535535025581.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1855205355295 and 1855205355304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18552053504 + ... + 18552053603.

It is an arithmetic number, because the mean of its divisors is an integer number (287556830087).

Almost surely, 2^{1855205355350} is an apocalyptic number.

1855205355350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1855205355350 is a deficient number, since it is larger than the sum of its proper divisors (1595476605694).

1855205355350 is a wasteful number, since it uses less digits than its factorization.

1855205355350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37104107119 (or 37104107114 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 47.

The spelling of 1855205355350 in words is "one trillion, eight hundred fifty-five billion, two hundred five million, three hundred fifty-five thousand, three hundred fifty".