1955888843112 has 48 divisors (see below), whose sum is σ = 5344076839140. Its totient is φ = 646193361408.

The previous prime is 1955888843071. The next prime is 1955888843173. The reversal of 1955888843112 is 2113488885591.

1955888843112 is a `hidden beast` number, since 1 + 9 + 5 + 588 + 8 + 8 + 4 + 31 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1595305406916 + 360583436196 = 1263054^2 + 600486^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1955888843112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120191523 + ... + 120207794.

Almost surely, 2^{1955888843112} is an apocalyptic number.

1955888843112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1955888843112 is an abundant number, since it is smaller than the sum of its proper divisors (3388187996028).

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

1955888843112 is a wasteful number, since it uses less digits than its factorization.

1955888843112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240399442 (or 240399435 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 63.

The spelling of 1955888843112 in words is "one trillion, nine hundred fifty-five billion, eight hundred eighty-eight million, eight hundred forty-three thousand, one hundred twelve".