2105158026 has 16 divisors (see below), whose sum is σ = 4211107200. Its totient is φ = 701587488.

The previous prime is 2105158001. The next prime is 2105158037. The reversal of 2105158026 is 6208515012.

It is a super-3 number, since 3×2105158026³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2105157984 and 2105158002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4990 + ... + 65078.

It is an arithmetic number, because the mean of its divisors is an integer number (263194200).

Almost surely, 2^2105158026 is an apocalyptic number.

2105158026 is an abundant number, since it is smaller than the sum of its proper divisors (2105949174).

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

2105158026 is a wasteful number, since it uses less digits than its factorization.

2105158026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65933.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 2105158026 is about 45882.0011115470. The cubic root of 2105158026 is about 1281.6267618196.

The spelling of 2105158026 in words is "two billion, one hundred five million, one hundred fifty-eight thousand, twenty-six".