2555542442112 has 192 divisors, whose sum is σ = 7634891621280. Its totient is φ = 756396748800.

The previous prime is 2555542442081. The next prime is 2555542442129. The reversal of 2555542442112 is 2112442455552.

It is a tau number, because it is divible by the number of its divisors (192).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1358412 + ... + 2637492.

Almost surely, 2^{2555542442112} is an apocalyptic number.

2555542442112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555542442112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3817445810640).

2555542442112 is an abundant number, since it is smaller than the sum of its proper divisors (5079349179168).

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

2555542442112 is a wasteful number, since it uses less digits than its factorization.

2555542442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279163 (or 1279140 counting only the distinct ones).

The product of its digits is 640000, while the sum is 42.

Adding to 2555542442112 its reverse (2112442455552), we get a palindrome (4667984897664).

The spelling of 2555542442112 in words is "two trillion, five hundred fifty-five billion, five hundred forty-two million, four hundred forty-two thousand, one hundred twelve".