2105153533545 has 16 divisors (see below), whose sum is σ = 3390851332800. Its totient is φ = 1115213324864.

The previous prime is 2105153533537. The next prime is 2105153533573. The reversal of 2105153533545 is 5453353515012.

It is a cyclic number.

It is not a de Polignac number, because 2105153533545 - 2³ = 2105153533537 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2105153533497 and 2105153533506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470949339 + ... + 470953808.

It is an arithmetic number, because the mean of its divisors is an integer number (211928208300).

Almost surely, 2^{2105153533545} is an apocalyptic number.

It is an amenable number.

2105153533545 is a deficient number, since it is larger than the sum of its proper divisors (1285697799255).

2105153533545 is a wasteful number, since it uses less digits than its factorization.

2105153533545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941903304.

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 2105153533545 in words is "two trillion, one hundred five billion, one hundred fifty-three million, five hundred thirty-three thousand, five hundred forty-five".