2105534510045 has 8 divisors (see below), whose sum is σ = 2588266812600. Its totient is φ = 1643344007680.

The previous prime is 2105534510017. The next prime is 2105534510063. The reversal of 2105534510045 is 5400154355012.

It can be written as a sum of positive squares in 4 ways, for example, as 127407591364 + 1978126918681 = 356942^2 + 1406459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2105534510045 - 2⁸ = 2105534509789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2105534509987 and 2105534510014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5135449820 + ... + 5135450229.

It is an arithmetic number, because the mean of its divisors is an integer number (323533351575).

Almost surely, 2^{2105534510045} is an apocalyptic number.

It is an amenable number.

2105534510045 is a deficient number, since it is larger than the sum of its proper divisors (482732302555).

2105534510045 is a wasteful number, since it uses less digits than its factorization.

2105534510045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10270900095.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 2105534510045 its reverse (5400154355012), we get a palindrome (7505688865057).

The spelling of 2105534510045 in words is "two trillion, one hundred five billion, five hundred thirty-four million, five hundred ten thousand, forty-five".