1655044144112 has 20 divisors (see below), whose sum is σ = 3317222100120. Its totient is φ = 798986827968.

The previous prime is 1655044144003. The next prime is 1655044144151. The reversal of 1655044144112 is 2114414405561.

It is a super-2 number, since 2×1655044144112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1783452278 + ... + 1783453205.

It is an arithmetic number, because the mean of its divisors is an integer number (165861105006).

Almost surely, 2^{1655044144112} is an apocalyptic number.

It is an amenable number.

1655044144112 is an abundant number, since it is smaller than the sum of its proper divisors (1662177956008).

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

1655044144112 is a wasteful number, since it uses less digits than its factorization.

1655044144112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566905520 (or 3566905514 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

Adding to 1655044144112 its reverse (2114414405561), we get a palindrome (3769458549673).

The spelling of 1655044144112 in words is "one trillion, six hundred fifty-five billion, forty-four million, one hundred forty-four thousand, one hundred twelve".