1555504850112 has 56 divisors (see below), whose sum is σ = 4115940409200. Its totient is φ = 518459559936.

The previous prime is 1555504850077. The next prime is 1555504850143. The reversal of 1555504850112 is 2110584055551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2090964 + ... + 2735532.

Almost surely, 2^{1555504850112} is an apocalyptic number.

1555504850112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1555504850112 is an abundant number, since it is smaller than the sum of its proper divisors (2560435559088).

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

1555504850112 is a wasteful number, since it uses less digits than its factorization.

1555504850112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657153 (or 657143 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 42.

The spelling of 1555504850112 in words is "one trillion, five hundred fifty-five billion, five hundred four million, eight hundred fifty thousand, one hundred twelve".