1855554642060 has 48 divisors (see below), whose sum is σ = 5937774855936. Its totient is φ = 424126775232.

The previous prime is 1855554642059. The next prime is 1855554642079. The reversal of 1855554642060 is 602464555581.

It is a junction number, because it is equal to n+sod(n) for n = 1855554641994 and 1855554642012.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2208993202 + ... + 2208994041.

It is an arithmetic number, because the mean of its divisors is an integer number (123703642832).

Almost surely, 2^{1855554642060} is an apocalyptic number.

1855554642060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1855554642060 is an abundant number, since it is smaller than the sum of its proper divisors (4082220213876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1855554642060 is a wasteful number, since it uses less digits than its factorization.

1855554642060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417987262 (or 4417987260 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 51.

The spelling of 1855554642060 in words is "one trillion, eight hundred fifty-five billion, five hundred fifty-four million, six hundred forty-two thousand, sixty".