2105010423054 has 512 divisors, whose sum is σ = 6403099852800. Its totient is φ = 496046592000.

The previous prime is 2105010423013. The next prime is 2105010423083. The reversal of 2105010423054 is 4503240105012.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 237554584 + ... + 237563444.

It is an arithmetic number, because the mean of its divisors is an integer number (12506054400).

Almost surely, 2^{2105010423054} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2105010423054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3201549926400).

2105010423054 is an abundant number, since it is smaller than the sum of its proper divisors (4298089429746).

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

2105010423054 is a wasteful number, since it uses less digits than its factorization.

2105010423054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037 (or 9031 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 2105010423054 its reverse (4503240105012), we get a palindrome (6608250528066).

The spelling of 2105010423054 in words is "two trillion, one hundred five billion, ten million, four hundred twenty-three thousand, fifty-four".