2043040252105 has 16 divisors (see below), whose sum is σ = 2511706461264. Its totient is φ = 1594734186240.

The previous prime is 2043040252073. The next prime is 2043040252111. The reversal of 2043040252105 is 5012520403402.

It can be written as a sum of positive squares in 8 ways, for example, as 127526123664 + 1915514128441 = 357108^2 + 1384021^2 .

It is not a de Polignac number, because 2043040252105 - 2⁵ = 2043040252073 is a prime.

It is a Duffinian 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, 21249234 + ... + 21345163.

It is an arithmetic number, because the mean of its divisors is an integer number (156981653829).

Almost surely, 2^{2043040252105} is an apocalyptic number.

It is an amenable number.

2043040252105 is a deficient number, since it is larger than the sum of its proper divisors (468666209159).

2043040252105 is a wasteful number, since it uses less digits than its factorization.

2043040252105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42594636.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 2043040252105 its reverse (5012520403402), we get a palindrome (7055560655507).

The spelling of 2043040252105 in words is "two trillion, forty-three billion, forty million, two hundred fifty-two thousand, one hundred five".