1555061106660 has 48 divisors (see below), whose sum is σ = 4354836654336. Its totient is φ = 414619575552.

The previous prime is 1555061106629. The next prime is 1555061106679. The reversal of 1555061106660 is 666011605551.

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, 1584364 + ... + 2370723.

It is an arithmetic number, because the mean of its divisors is an integer number (90725763632).

Almost surely, 2^{1555061106660} is an apocalyptic number.

1555061106660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1555061106660 is an abundant number, since it is smaller than the sum of its proper divisors (2799775547676).

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

1555061106660 is a wasteful number, since it uses less digits than its factorization.

1555061106660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961652 (or 3961650 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 1555061106660 in words is "one trillion, five hundred fifty-five billion, sixty-one million, one hundred six thousand, six hundred sixty".