2055505145344 has 160 divisors (see below), whose sum is σ = 4911966614016. Its totient is φ = 840189419520.

The previous prime is 2055505145293. The next prime is 2055505145371. The reversal of 2055505145344 is 4435415055502.

It is a self number, because there is not a number n which added to its sum of digits gives 2055505145344.

It is a congruent number.

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, 28567974 + ... + 28639834.

Almost surely, 2^{2055505145344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2055505145344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2455983307008).

2055505145344 is an abundant number, since it is smaller than the sum of its proper divisors (2856461468672).

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

2055505145344 is an equidigital number, since it uses as much as digits as its factorization.

2055505145344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72256 (or 72240 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 2055505145344 in words is "two trillion, fifty-five billion, five hundred five million, one hundred forty-five thousand, three hundred forty-four".